mat.ROCcalc: no visible global function definition for 'wilcox.test'
mat.fossavg: no visible binding for global variable 'sd'
mat.jump: no visible global function definition for 'cor'
mat.mc: no visible global function definition for 'approx'
mat.plot.mc: no visible global function definition for 'windows'
mat.plot.mc: no visible global function definition for 'par'
mat.plot.mc: no visible global function definition for 'hist'
mat.plot.mc: no visible global function definition for 'text'
mat.plot.mc: no visible global function definition for 'quantile'
mat.plot.mc: no visible global function definition for 'median'
mat.plot.mc: no visible global function definition for 'var'
mat.plot.mc: no visible global function definition for 'plot'
mat.plot.mc: no visible global function definition for 'lines'
mat.plot.mc: no visible global function definition for 'segments'
mat.plot.recon: no visible global function definition for 'windows'
mat.plot.recon: no visible global function definition for 'par'
mat.plot.recon: no visible global function definition for 'plot'
mat.plot.recon: no visible global function definition for 'lines'
mat.plot.recon: no visible global function definition for 'abline'
mat.plot.recon: no visible global function definition for 'text'
mat.plotjump: no visible global function definition for 'windows'
mat.plotjump: no visible global function definition for 'plot'
mat.plotjump: no visible global function definition for 'par'
mat.plotjump: no visible global function definition for 'text'
mat.plotroc: no visible global function definition for 'windows'
mat.plotroc: no visible global function definition for 'dev.cur'
mat.plotroc: no visible global function definition for 'layout'
mat.plotroc: no visible global function definition for 'layout.show'
mat.plotroc: no visible global function definition for 'dev.set'
mat.plotroc: no visible global function definition for 'hist'
mat.plotroc: no visible global function definition for 'plot'
mat.plotroc: no visible global function definition for 'par'
mat.plotroc: no visible global function definition for 'arrows'
mat.plotroc: no visible global function definition for 'text'
mat.plotroc: no visible global function definition for 'abline'
mat.plotroc: no visible global function definition for 'points'
mat.plotroc: no visible global function definition for 'barplot'
mat.plotroc: no visible global function definition for 'polygon'
Undefined global functions or variables:
  abline approx arrows barplot cor dev.cur dev.set hist layout
  layout.show lines median par plot points polygon quantile sd segments
  text var wilcox.test windows
Consider adding
  importFrom("grDevices", "dev.cur", "dev.set", "windows")
  importFrom("graphics", "abline", "arrows", "barplot", "hist", "layout",
             "layout.show", "lines", "par", "plot", "points", "polygon",
             "segments", "text")
  importFrom("stats", "approx", "cor", "median", "quantile", "sd", "var",
             "wilcox.test")
to your NAMESPACE file.