drawmap: no visible global function definition for 'par'
drawmap: no visible global function definition for 'grey'
drawmap: no visible global function definition for 'plot'
drawmap: no visible global function definition for 'polygon'
drawmap: no visible global function definition for 'read.table'
drawmap: no visible global function definition for 'hsv'
drawmap: no visible global function definition for 'lines'
drawmap: no visible global function definition for 'text'
extractSamples : readData: no visible global function definition for
  'read.table'
extractSamples: no visible global function definition for 'head'
extractSamples: no visible global function definition for 'read.table'
fuse: no visible global function definition for 'slot'
hpd: no visible global function definition for 'read.table'
hpd : hpd.target: no visible global function definition for 'integrate'
hpd: no visible binding for global variable 'density'
hpd : <anonymous>: no visible global function definition for
  'splinefun'
hpd: no visible binding for global variable 'quantile'
hpd : opt: no visible global function definition for 'optim'
hpd.coda: no visible global function definition for 'read.table'
plotautocor: no visible global function definition for 'read.table'
plotnonp: no visible global function definition for 'read.table'
plotnonp: no visible global function definition for 'plot'
plotnonp: no visible global function definition for 'box'
plotnonp: no visible global function definition for 'axis'
plotnonp: no visible global function definition for 'lines'
plotsample: no visible global function definition for 'read.table'
plotsample: no visible global function definition for 'par'
plotsample: no visible global function definition for 'plot'
plotsample.coda: no visible global function definition for 'read.table'
plotsample.coda: no visible global function definition for 'plot'
plotsurf: no visible global function definition for 'read.table'
plotsurf: no visible global function definition for 'persp'
plotsurf: no visible global function definition for 'image'
plotsurf: no visible global function definition for 'contour'
read.bnd: no visible global function definition for 'na.omit'
sp2bnd: no visible binding for global variable 'slot'
sp2bnd: no visible global function definition for 'is'
write.bnd: no visible global function definition for 'complete.cases'
write.bnd: no visible global function definition for 'write.table'
Undefined global functions or variables:
  axis box complete.cases contour density grey head hsv image integrate
  is lines na.omit optim par persp plot polygon quantile read.table
  slot splinefun text write.table
Consider adding
  importFrom("grDevices", "grey", "hsv")
  importFrom("graphics", "axis", "box", "contour", "image", "lines",
             "par", "persp", "plot", "polygon", "text")
  importFrom("methods", "is", "slot")
  importFrom("stats", "complete.cases", "density", "integrate",
             "na.omit", "optim", "quantile", "splinefun")
  importFrom("utils", "head", "read.table", "write.table")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').