figureSummary2.varSelRFBoot: no visible global function definition for
  'median'
figureSummary2.varSelRFBoot: no visible global function definition for
  'quantile'
plot.varSelRF: no visible global function definition for
  'dev.interactive'
plot.varSelRF: no visible global function definition for 'par'
plot.varSelRF: no visible global function definition for 'dotchart'
plot.varSelRF: no visible global function definition for 'plot'
plot.varSelRF: no visible global function definition for 'lines'
plot.varSelRFBoot: no visible global function definition for 'rainbow'
plot.varSelRFBoot: no visible global function definition for
  'dev.interactive'
plot.varSelRFBoot: no visible global function definition for 'par'
plot.varSelRFBoot: no visible global function definition for 'boxplot'
plot.varSelRFBoot: no visible global function definition for 'plot'
plot.varSelRFBoot: no visible global function definition for 'text'
plot.varSelRFBoot: no visible global function definition for 'box'
plot.varSelRFBoot: no visible global function definition for 'axis'
plot.varSelRFBoot: no visible global function definition for 'segments'
plot.varSelRFBoot: no visible global function definition for 'legend'
plot.varSelRFBoot: no visible global function definition for 'abline'
plot.varSelRFBoot: no visible global function definition for 'lines'
randomVarImpsRFplot: no visible global function definition for 'plot'
randomVarImpsRFplot: no visible global function definition for 'abline'
randomVarImpsRFplot: no visible global function definition for 'axis'
randomVarImpsRFplot: no visible global function definition for 'box'
randomVarImpsRFplot: no visible global function definition for 'lines'
randomVarImpsRFplot: no visible global function definition for
  'segments'
randomVarImpsRFplot: no visible global function definition for
  'matlines'
randomVarImpsRFplot: no visible global function definition for 'points'
selProbPlot: no visible global function definition for 'plot'
selProbPlot: no visible global function definition for 'points'
tableSummary.varSelRFBoot: no visible global function definition for
  'median'
tableSummary.varSelRFBoot: no visible global function definition for
  'quantile'
varSelImpSpecRF : <anonymous>: no visible global function definition
  for 'quantile'
Undefined global functions or variables:
  abline axis box boxplot dev.interactive dotchart legend lines
  matlines median par plot points quantile rainbow segments text
Consider adding
  importFrom("grDevices", "dev.interactive", "rainbow")
  importFrom("graphics", "abline", "axis", "box", "boxplot", "dotchart",
             "legend", "lines", "matlines", "par", "plot", "points",
             "segments", "text")
  importFrom("stats", "median", "quantile")
to your NAMESPACE file.