• using R Under development (unstable) (2025-02-14 r87716)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)     GNU Fortran (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)
• running under: Fedora Linux 40 (Workstation Edition)
• using session charset: UTF-8
• using option ‘--no-stop-on-test-error’
• checking for file ‘cAIC4/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘cAIC4’ version ‘1.0’
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘cAIC4’ can be installed ... [18s/24s] OK See the install log for details.
• checking package directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [28s/32s] OK
• checking Rd files ... NOTE checkRd: (-1) deleteZeroComponents.Rd:70: Escaped LaTeX specials: \& \&
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking examples ... [221s/303s] ERROR Running examples in ‘cAIC4-Ex.R’ failed The error most likely occurred in: > ### Name: cAIC > ### Title: Conditional Akaike Information for 'lme4' and 'lme' > ### Aliases: cAIC > ### Keywords: regression > > ### ** Examples > > > ### Three application examples > b <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy) Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues > cAIC(b) Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower, :   convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera). Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   unable to evaluate scaled gradient Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :   Model failed to converge: degenerate Hessian with 1 negative eigenvalues Error: C stack usage 19923556 is too close to the limit Execution halted
• checking PDF version of manual ... [9s/11s] OK
• checking HTML version of manual ... OK
• checking for non-standard things in the check directory ... OK
• checking for detritus in the temp directory ... OK
• DONE

Status: 1 ERROR, 1 NOTE