clustGroup: no visible global function definition for 'hclust'
clustGroup: no visible global function definition for 'dist'
colorMat: no visible global function definition for 'colorRampPalette'
drawColnames: no visible global function definition for 'grid.text'
drawColnames: no visible global function definition for 'gpar'
drawGroupBar: no visible global function definition for 'rectGrob'
drawGroupBar: no visible global function definition for 'gpar'
drawGroupBar: no visible global function definition for 'grid.draw'
drawLegend: no visible global function definition for 'unit'
drawLegend: no visible global function definition for 'rectGrob'
drawLegend: no visible global function definition for 'gpar'
drawLegend: no visible global function definition for 'textGrob'
drawLegend: no visible global function definition for 'grid.draw'
drawRownames: no visible global function definition for 'grid.text'
drawRownames: no visible global function definition for 'gpar'
draw_connection: no visible global function definition for 'grid.lines'
draw_dendrogram.mod: no visible global function definition for 'hclust'
draw_dendrogram.mod: no visible global function definition for
  'rectGrob'
draw_dendrogram.mod: no visible global function definition for
  'pushViewport'
draw_dendrogram.mod: no visible global function definition for
  'viewport'
draw_dendrogram.mod: no visible global function definition for 'unit'
draw_dendrogram.mod: no visible global function definition for
  'upViewport'
getConfigure: no visible global function definition for 'convertX'
getConfigure: no visible global function definition for 'unit'
pairheatmap: no visible global function definition for 'dev.cur'
pairheatmap: no visible global function definition for 'grid.newpage'
pairheatmap: no visible global function definition for 'stringWidth'
pairheatmap: no visible global function definition for 'unit'
pairheatmap: no visible global function definition for 'unit.c'
pairheatmap: no visible global function definition for 'grid.layout'
pairheatmap: no visible global function definition for 'pushViewport'
pairheatmap: no visible global function definition for 'viewport'
pairheatmap: no visible global function definition for 'upViewport'
pairheatmap: no visible global function definition for 'grid.rect'
pairheatmap: no visible global function definition for 'gpar'
pairheatmap: no visible global function definition for 'convertWidth'
pairheatmap: no visible global function definition for 'convertHeight'
pairheatmap: no visible global function definition for 'grid.lines'
pairheatmap: no visible global function definition for 'popViewport'
scaleData: no visible binding for global variable 'sd'
Undefined global functions or variables:
  colorRampPalette convertHeight convertWidth convertX dev.cur dist
  gpar grid.draw grid.layout grid.lines grid.newpage grid.rect
  grid.text hclust popViewport pushViewport rectGrob sd stringWidth
  textGrob unit unit.c upViewport viewport
Consider adding
  importFrom("grDevices", "colorRampPalette", "dev.cur")
  importFrom("stats", "dist", "hclust", "sd")
to your NAMESPACE file.