dbFD: no visible global function definition for ‘dist’
dbFD: no visible global function definition for ‘na.omit’
dbFD: no visible global function definition for ‘hclust’
dbFD: no visible global function definition for ‘cutree’
dbFD: no visible global function definition for ‘aggregate’
dbFD : divc: no visible global function definition for ‘as.dist’
dbFD: no visible global function definition for ‘as.dist’
fdisp: no visible binding for global variable ‘weighted.mean’
fdisp: no visible global function definition for ‘weighted.mean’
functcomp: no visible global function definition for ‘weighted.mean’
mahaldis: no visible global function definition for ‘dist’
maxent: no visible global function definition for ‘coef’
maxent: no visible global function definition for ‘lm’
maxent.test: no visible global function definition for ‘cor’
maxent.test: no visible global function definition for ‘par’
maxent.test: no visible global function definition for ‘abline’
maxent.test: no visible global function definition for ‘text’
maxent.test: no visible global function definition for ‘lines’
maxent.test: no visible global function definition for ‘mtext’
simul.dbFD : <anonymous>: no visible global function definition for
  ‘runif’
simul.dbFD : <anonymous>: no visible global function definition for
  ‘rnorm’
simul.dbFD : <anonymous>: no visible global function definition for
  ‘rlnorm’
simul.dbFD : fill.abun: no visible global function definition for
  ‘rlnorm’
simul.dbFD : fill.abun: no visible global function definition for
  ‘rnorm’
simul.dbFD : fill.abun: no visible global function definition for
  ‘runif’
simul.dbFD: no visible global function definition for ‘cor.test’
simul.dbFD: no visible global function definition for ‘par’
simul.dbFD: no visible global function definition for ‘title’
simul.dbFD: no visible global function definition for ‘mtext’
simul.dbFD: no visible global function definition for ‘boxplot’
Undefined global functions or variables:
  abline aggregate as.dist boxplot coef cor cor.test cutree dist hclust
  lines lm mtext na.omit par rlnorm rnorm runif text title
  weighted.mean
Consider adding
  importFrom("graphics", "abline", "boxplot", "lines", "mtext", "par",
             "text", "title")
  importFrom("stats", "aggregate", "as.dist", "coef", "cor", "cor.test",
             "cutree", "dist", "hclust", "lm", "na.omit", "rlnorm",
             "rnorm", "runif", "weighted.mean")
to your NAMESPACE file.