.cor_all: no visible global function definition for 'as.big.matrix'
adjacencymatrix: no visible global function definition for
  'as.big.matrix'
adjacencymatrix: no visible global function definition for 'mine'
adjacencymatrix: no visible global function definition for
  'knnmi.cross'
adjacencymatrix: no visible global function definition for 'knnmi.all'
cor.matrix: no visible global function definition for 'sfInit'
cor.matrix: no visible global function definition for 'sfCpus'
cor.matrix: no visible global function definition for 'sfApply'
cor.matrix: no visible global function definition for 'sfStop'
cor.pair : getcor: no visible global function definition for 'cor.test'
cor.pair : getcor: no visible global function definition for 'biwt.cor'
cor.pair: no visible global function definition for 'runif'
gcc.dist: no visible global function definition for 'as.dist'
gcc.hclust: no visible global function definition for 'hclust'
gcc.heatmap: no visible global function definition for 'par'
gcc.heatmap: no visible global function definition for 'median'
gcc.heatmap: no visible global function definition for
  'order.dendrogram'
gcc.heatmap: no visible global function definition for 'as.dendrogram'
gcc.heatmap: no visible global function definition for 'reorder'
gcc.heatmap: no visible binding for global variable 'sd'
gcc.heatmap: no visible global function definition for 'quantile'
gcc.heatmap: no visible global function definition for
  'colorRampPalette'
gcc.heatmap: no visible global function definition for 'layout'
gcc.heatmap: no visible global function definition for 'image'
gcc.heatmap: no visible global function definition for 'invalid'
gcc.heatmap: no visible global function definition for 'axis'
gcc.heatmap: no visible global function definition for 'mtext'
gcc.heatmap: no visible global function definition for 'rect'
gcc.heatmap: no visible global function definition for 'abline'
gcc.heatmap: no visible global function definition for 'lines'
gcc.heatmap: no visible global function definition for 'text'
gcc.heatmap: no visible global function definition for 'plot'
gcc.heatmap: no visible global function definition for 'plot.new'
gcc.heatmap: no visible global function definition for 'title'
gcc.heatmap: no visible global function definition for 'density'
gcc.heatmap: no visible global function definition for 'hist'
gcc.tsheatmap: no visible global function definition for 'median'
gcc.tsheatmap: no visible global function definition for
  'as.dendrogram'
gcc.tsheatmap: no visible global function definition for 'reorder'
gcc.tsheatmap: no visible global function definition for
  'order.dendrogram'
gcc.tsheatmap: no visible global function definition for 'rainbow'
gcc.tsheatmap: no visible binding for global variable 'sd'
gcc.tsheatmap: no visible global function definition for 'quantile'
gcc.tsheatmap: no visible global function definition for
  'install.packages'
gcc.tsheatmap: no visible global function definition for
  'colorRampPalette'
gcc.tsheatmap: no visible global function definition for 'par'
gcc.tsheatmap: no visible global function definition for 'layout'
gcc.tsheatmap: no visible global function definition for 'image'
gcc.tsheatmap: no visible global function definition for 'axis'
gcc.tsheatmap: no visible global function definition for 'mtext'
rsgcc.gui : coverDecToHex: no visible global function definition for
  '.dec.to.hex'
rsgcc.gui : coverDecToHex: no visible global function definition for
  'str_length'
rsgcc.gui : coverDecToHex: no visible global function definition for
  'str_sub'
rsgcc.gui : fileChoose: no visible global function definition for
  'gfile'
rsgcc.gui : fileChoose: no visible binding for global variable 'tail'
rsgcc.gui : fileChoose: no visible global function definition for
  'read.table'
rsgcc.gui : fileChoose: no visible global function definition for
  'str_sub'
rsgcc.gui : fileChoose: no visible global function definition for
  'str_length'
rsgcc.gui : fileChoose: no visible global function definition for
  'read.csv'
rsgcc.gui : visData: no visible global function definition for 'svalue'
rsgcc.gui : visData: no visible global function definition for
  'gwindow'
rsgcc.gui : visData: no visible global function definition for 'ggroup'
rsgcc.gui : visData: no visible global function definition for 'gtable'
rsgcc.gui : updateHeatmapMax: no visible global function definition for
  'svalue'
rsgcc.gui : updateHeatmapMean: no visible global function definition
  for 'svalue'
rsgcc.gui : updateHeatmapMin: no visible global function definition for
  'svalue'
rsgcc.gui : saveData: no visible global function definition for 'pdf'
rsgcc.gui : saveData: no visible global function definition for
  'dev.off'
rsgcc.gui : saveData: no visible global function definition for
  'write.table'
rsgcc.gui : saveData: no visible global function definition for 'r2atr'
rsgcc.gui : saveData: no visible global function definition for 'r2gtr'
rsgcc.gui : saveData: no visible global function definition for 'r2cdt'
rsgcc.gui: no visible global function definition for 'gwindow'
rsgcc.gui: no visible global function definition for 'ggroup'
rsgcc.gui: no visible global function definition for 'gframe'
rsgcc.gui: no visible global function definition for 'gbutton'
rsgcc.gui: no visible global function definition for 'gcheckbox'
rsgcc.gui : <anonymous>: no visible global function definition for
  'svalue'
rsgcc.gui: no visible global function definition for 'gedit'
rsgcc.gui: no visible global function definition for 'add'
rsgcc.gui: no visible global function definition for 'gradio'
rsgcc.gui: no visible global function definition for 'gcombobox'
rsgcc.gui: no visible global function definition for 'gslider'
rsgcc.gui: no visible global function definition for 'ggraphics'
uniqueTissues: no visible binding for global variable 'tail'
uniqueTissues: no visible global function definition for 'str_sub'
Undefined global functions or variables:
  .dec.to.hex abline add as.big.matrix as.dendrogram as.dist axis
  biwt.cor colorRampPalette cor.test density dev.off gbutton gcheckbox
  gcombobox gedit gfile gframe ggraphics ggroup gradio gslider gtable
  gwindow hclust hist image install.packages invalid knnmi.all
  knnmi.cross layout lines median mine mtext order.dendrogram par pdf
  plot plot.new quantile r2atr r2cdt r2gtr rainbow read.csv read.table
  rect reorder runif sd sfApply sfCpus sfInit sfStop str_length str_sub
  svalue tail text title write.table
Consider adding
  importFrom("grDevices", "colorRampPalette", "dev.off", "pdf",
             "rainbow")
  importFrom("graphics", "abline", "axis", "hist", "image", "layout",
             "lines", "mtext", "par", "plot", "plot.new", "rect", "text",
             "title")
  importFrom("stats", "as.dendrogram", "as.dist", "cor.test", "density",
             "hclust", "median", "order.dendrogram", "quantile",
             "reorder", "runif", "sd")
  importFrom("utils", "install.packages", "read.csv", "read.table",
             "tail", "write.table")
to your NAMESPACE file.