plot.roc: no visible global function definition for 'par'
plot.roc: no visible global function definition for 'plot'
plot.select: no visible global function definition for 'par'
plot.select: no visible global function definition for 'plot'
plot.select: no visible global function definition for 'lines'
plot.sim: no visible global function definition for 'gray.colors'
plot.sim: no visible global function definition for 'plot'
plot.slim: no visible global function definition for 'matplot'
plot.sugm: no visible global function definition for 'par'
plot.sugm: no visible global function definition for 'plot'
plot.sugm: no visible global function definition for 'lines'
sugm: no visible global function definition for 'cor'
sugm: no visible global function definition for 'cov'
sugm: no visible global function definition for 'new'
sugm.cv: no visible global function definition for 'cov'
sugm.cv: no visible binding for global variable 'sd'
sugm.generator: no visible global function definition for 'runif'
sugm.generator: no visible global function definition for 'cor'
sugm.generator: no visible global function definition for 'par'
sugm.generator: no visible global function definition for 'gray.colors'
sugm.generator: no visible global function definition for 'plot'
sugm.plot: no visible global function definition for 'postscript'
sugm.plot: no visible global function definition for 'par'
sugm.plot: no visible global function definition for 'plot'
sugm.plot: no visible global function definition for 'dev.off'
sugm.roc: no visible global function definition for 'par'
sugm.roc: no visible global function definition for 'plot'
sugm.select: no visible global function definition for 'flush.console'
Undefined global functions or variables:
  cor cov dev.off flush.console gray.colors lines matplot new par plot
  postscript runif sd
Consider adding
  importFrom("grDevices", "dev.off", "gray.colors", "postscript")
  importFrom("graphics", "lines", "matplot", "par", "plot")
  importFrom("methods", "new")
  importFrom("stats", "cor", "cov", "runif", "sd")
  importFrom("utils", "flush.console")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').