TCA: no visible global function definition for ‘cov2cor’
TCA: no visible global function definition for ‘flush.console’
TCE: no visible global function definition for ‘cov2cor’
TCE: no visible global function definition for ‘flush.console’
gnsc.heatmap: no visible binding for global variable ‘dist’
gnsc.heatmap: no visible binding for global variable ‘hclust’
gnsc.heatmap: no visible global function definition for ‘par’
gnsc.heatmap: no visible global function definition for ‘median’
gnsc.heatmap: no visible global function definition for
  ‘order.dendrogram’
gnsc.heatmap: no visible global function definition for ‘as.dendrogram’
gnsc.heatmap: no visible global function definition for ‘reorder’
gnsc.heatmap: no visible binding for global variable ‘sd’
gnsc.heatmap: no visible global function definition for ‘image’
gnsc.heatmap: no visible global function definition for ‘axis’
gnsc.heatmap: no visible global function definition for ‘mtext’
gnsc.heatmap: no visible global function definition for ‘title’
gnsc.icov: no visible global function definition for ‘cov’
gnsc.icov: no visible global function definition for ‘median’
gnsc.train: no visible binding for global variable ‘sd’
plot.TCA: no visible global function definition for ‘plot’
plot.TCA: no visible global function definition for ‘par’
plot.TCE: no visible global function definition for ‘par’
plot.TCE: no visible global function definition for ‘plot’
plot.TCE: no visible global function definition for ‘lines’
plot.gnsc: no visible global function definition for ‘par’
plot.gnsc: no visible global function definition for ‘plot’
plot.gnsccv: no visible global function definition for ‘par’
plot.gnsccv: no visible global function definition for ‘plot’
smart.npn: no visible global function definition for ‘qnorm’
smart.npn: no visible global function definition for ‘sd’
smart.npn: no visible global function definition for ‘cor’
Undefined global functions or variables:
  as.dendrogram axis cor cov cov2cor dist flush.console hclust image
  lines median mtext order.dendrogram par plot qnorm reorder sd title
Consider adding
  importFrom("graphics", "axis", "image", "lines", "mtext", "par",
             "plot", "title")
  importFrom("stats", "as.dendrogram", "cor", "cov", "cov2cor", "dist",
             "hclust", "median", "order.dendrogram", "qnorm", "reorder",
             "sd")
  importFrom("utils", "flush.console")
to your NAMESPACE file.