Dendrogram: no visible global function definition for 'dist'
Dendrogram: no visible global function definition for 'hclust'
Dendrogram: no visible global function definition for 'par'
Dendrogram: no visible global function definition for 'layout'
Dendrogram: no visible global function definition for 'plot'
Dendrogram: no visible global function definition for 'rect'
Dendrogram: no visible global function definition for 'axis'
FoldChange: no visible global function definition for 'hist'
FoldChange: no visible global function definition for 'write.csv'
GroupSummary: no visible binding for global variable 'sd'
HeatMap : <anonymous>: no visible global function definition for 'dist'
HeatMap : <anonymous>: no visible global function definition for
  'hclust'
LinearModelFit: no visible global function definition for 'pt'
LinearModelFit: no visible global function definition for 'pchisq'
LinearModelFit: no visible global function definition for 'pf'
LinearModelFit: no visible global function definition for 'p.adjust'
LinearModelFit: no visible global function definition for 'na.omit'
LinearModelFit: no visible global function definition for 'write.csv'
LogTransform: no visible global function definition for 'write.csv'
MetBoxPlots: no visible global function definition for 'plot'
MissingValues: no visible global function definition for 'runif'
MissingValues: no visible global function definition for 'write.csv'
MmsPlot: no visible binding for global variable 'median'
MmsPlot: no visible binding for global variable 'sd'
MmsPlot: no visible global function definition for 'par'
MmsPlot: no visible global function definition for 'plot'
MmsPlot: no visible global function definition for 'axis'
MmsPlot: no visible global function definition for 'lines'
MmsPlot: no visible global function definition for 'legend'
Normalise: no visible binding for global variable 'median'
Normalise: no visible global function definition for 'model.matrix'
Normalise: no visible global function definition for 'write.csv'
PcaPlots: no visible binding for global variable 'var'
PcaPlots: no visible global function definition for 'prcomp'
PcaPlots: no visible global function definition for 'barplot'
PcaPlots: no visible global function definition for 'pairs'
RlaPlots: no visible binding for global variable 'median'
RlaPlots: no visible global function definition for 'boxplot'
RlaPlots: no visible global function definition for 'abline'
ScatterPlot: no visible global function definition for 'par'
ScatterPlot: no visible global function definition for 'strwidth'
ScatterPlot: no visible global function definition for 'plot'
ScatterPlot: no visible global function definition for 'points'
ScatterPlot: no visible global function definition for 'legend'
TTests: no visible global function definition for 'na.omit'
TTests: no visible global function definition for 'var'
TTests: no visible global function definition for 't.test'
TTests: no visible global function definition for 'p.adjust'
TTests: no visible global function definition for 'write.csv'
TwoGroup: no visible global function definition for 'write.csv'
TwoGroupPlots: no visible global function definition for 'p.adjust'
TwoGroupPlots: no visible global function definition for 'par'
TwoGroupPlots: no visible global function definition for 'plot'
TwoGroupPlots: no visible global function definition for 'points'
TwoGroupPlots: no visible global function definition for 'abline'
TwoGroupPlots: no visible global function definition for 'text'
VolcanoPlot: no visible global function definition for 'plot'
VolcanoPlot: no visible global function definition for 'abline'
VolcanoPlot: no visible global function definition for 'mtext'
VolcanoPlot: no visible global function definition for 'points'
VolcanoPlot: no visible global function definition for 'text'
heatmap_fn: no visible binding for global variable 'dist'
heatmap_fn: no visible binding for global variable 'hclust'
heatmap_fn: no visible global function definition for 'par'
heatmap_fn: no visible global function definition for 'median'
heatmap_fn: no visible global function definition for
  'order.dendrogram'
heatmap_fn: no visible global function definition for 'as.dendrogram'
heatmap_fn: no visible global function definition for 'reorder'
heatmap_fn: no visible binding for global variable 'sd'
heatmap_fn: no visible global function definition for 'layout'
heatmap_fn: no visible global function definition for 'image'
heatmap_fn: no visible global function definition for 'axis'
heatmap_fn: no visible global function definition for 'mtext'
heatmap_fn: no visible global function definition for 'rect'
heatmap_fn: no visible global function definition for 'abline'
heatmap_fn: no visible global function definition for 'lines'
heatmap_fn: no visible global function definition for 'text'
heatmap_fn: no visible global function definition for 'plot'
heatmap_fn: no visible global function definition for 'plot.new'
heatmap_fn: no visible global function definition for 'title'
heatmap_fn: no visible global function definition for 'density'
heatmap_fn: no visible global function definition for 'hist'
pic_gen: no visible global function definition for 'dev.new'
pic_gen: no visible global function definition for 'png'
pic_gen: no visible global function definition for 'jpeg'
pic_gen: no visible global function definition for 'tiff'
pic_gen: no visible global function definition for 'par'
pic_gen: no visible global function definition for 'plot'
pic_gen: no visible global function definition for 'abline'
pic_gen: no visible global function definition for 'text'
pic_gen: no visible global function definition for 'dev.off'
print.metabdata: no visible global function definition for 'head'
print.results: no visible global function definition for 'head'
Undefined global functions or variables:
  abline as.dendrogram axis barplot boxplot density dev.new dev.off
  dist hclust head hist image jpeg layout legend lines median
  model.matrix mtext na.omit order.dendrogram p.adjust pairs par pchisq
  pf plot plot.new png points prcomp pt rect reorder runif sd strwidth
  t.test text tiff title var write.csv
Consider adding
  importFrom("grDevices", "dev.new", "dev.off", "jpeg", "png", "tiff")
  importFrom("graphics", "abline", "axis", "barplot", "boxplot", "hist",
             "image", "layout", "legend", "lines", "mtext", "pairs",
             "par", "plot", "plot.new", "points", "rect", "strwidth",
             "text", "title")
  importFrom("stats", "as.dendrogram", "density", "dist", "hclust",
             "median", "model.matrix", "na.omit", "order.dendrogram",
             "p.adjust", "pchisq", "pf", "prcomp", "pt", "reorder",
             "runif", "sd", "t.test", "var")
  importFrom("utils", "head", "write.csv")
to your NAMESPACE file.