.MetaSparsePCA: no visible global function definition for '%do%'
.MetaSparsePCA: no visible global function definition for 'foreach'
.MetaSparsePCA: no visible global function definition for 'iter'
DropDupGenes: no visible global function definition for 'registerDoMC'
DropDupGenes: no visible global function definition for 'startWorkers'
DropDupGenes: no visible global function definition for 'registerDoSMP'
DropDupGenes: no visible global function definition for '%dopar%'
DropDupGenes: no visible global function definition for 'foreach'
DropDupGenes: no visible global function definition for 'iter'
DropDupGenes: no visible binding for global variable 'IQR'
DropDupGenes: no visible global function definition for 'stopWorkers'
MetaPCA: no visible global function definition for 'PCAgrid'
MetaPCA: no visible global function definition for 'cov'
PlotPC2D: no visible global function definition for 'windows'
PlotPC2D: no visible global function definition for 'X11'
PlotPC2D: no visible global function definition for 'cov.mve'
PlotPC2D: no visible global function definition for 'ellipse'
PlotPC2D: no visible global function definition for 'plot'
PlotPC2D: no visible global function definition for 'lines'
PlotPC2D: no visible global function definition for 'points'
PlotPC2D: no visible global function definition for 'axis'
PlotPC2D: no visible global function definition for 'box'
PlotPC2D: no visible global function definition for 'abline'
PlotPC2D: no visible global function definition for 'legend'
PlotPC2D: no visible global function definition for 'title'
PreprocessMetaAnalysis: no visible global function definition for
  '%do%'
PreprocessMetaAnalysis: no visible global function definition for
  'foreach'
PreprocessMetaAnalysis: no visible global function definition for
  'iter'
PreprocessMetaAnalysis: no visible binding for global variable 'dat'
PreprocessMetaAnalysis: no visible global function definition for
  'na.omit'
PreprocessMetaAnalysis: no visible global function definition for
  'impute.knn'
legend2: no visible global function definition for 'par'
legend2: no visible global function definition for 'as.graphicsAnnot'
legend2: no visible global function definition for 'xy.coords'
legend2 : rect2: no visible global function definition for 'rect'
legend2 : segments2: no visible global function definition for
  'segments'
legend2 : points2: no visible global function definition for 'points'
legend2 : text2: no visible global function definition for 'text'
legend2: no visible global function definition for 'strwidth'
legend2: no visible global function definition for 'xinch'
legend2: no visible global function definition for 'yinch'
legend2: no visible global function definition for 'strheight'
requireAll: no visible global function definition for
  'installed.packages'
requireAll: no visible global function definition for 'biocLite'
Undefined global functions or variables:
  %do% %dopar% IQR PCAgrid X11 abline as.graphicsAnnot axis biocLite
  box cov cov.mve dat ellipse foreach impute.knn installed.packages
  iter legend lines na.omit par plot points rect registerDoMC
  registerDoSMP segments startWorkers stopWorkers strheight strwidth
  text title windows xinch xy.coords yinch
Consider adding
  importFrom("grDevices", "X11", "as.graphicsAnnot", "windows",
             "xy.coords")
  importFrom("graphics", "abline", "axis", "box", "legend", "lines",
             "par", "plot", "points", "rect", "segments", "strheight",
             "strwidth", "text", "title", "xinch", "yinch")
  importFrom("stats", "IQR", "cov", "na.omit")
  importFrom("utils", "installed.packages")
to your NAMESPACE file.