draw.clust: no visible global function definition for ‘par’
draw.clust: no visible global function definition for ‘plot.new’
draw.clust: no visible global function definition for ‘rainbow’
draw.clust: no visible global function definition for ‘points’
draw.clust: no visible global function definition for ‘text.default’
draw.clust: no visible global function definition for ‘lines’
draw.tree: no visible global function definition for ‘par’
draw.tree: no visible global function definition for ‘plot.new’
draw.tree: no visible global function definition for ‘rainbow’
draw.tree: no visible global function definition for ‘text.default’
draw.tree: no visible global function definition for ‘lines’
draw.tree: no visible global function definition for ‘points’
group.clust: no visible global function definition for ‘as.hclust’
kgs : spread: no visible global function definition for ‘combn’
kgs: no visible global function definition for ‘as.hclust’
map.groups: no visible global function definition for ‘par’
map.groups: no visible global function definition for ‘plot.new’
map.groups: no visible global function definition for ‘plot.window’
map.groups: no visible global function definition for ‘rainbow’
map.groups: no visible global function definition for ‘polygon’
map.groups: no visible global function definition for ‘points’
map.key: no visible global function definition for ‘par’
map.key: no visible global function definition for ‘rainbow’
map.key: no visible global function definition for ‘plot’
map.key: no visible global function definition for ‘points’
map.key: no visible global function definition for ‘text’
ngon: no visible global function definition for ‘par’
ngon: no visible global function definition for ‘polygon’
ngon: no visible global function definition for ‘lines’
Undefined global functions or variables:
  as.hclust combn lines par plot plot.new plot.window points polygon
  rainbow text text.default
Consider adding
  importFrom("grDevices", "rainbow")
  importFrom("graphics", "lines", "par", "plot", "plot.new",
             "plot.window", "points", "polygon", "text", "text.default")
  importFrom("stats", "as.hclust")
  importFrom("utils", "combn")
to your NAMESPACE file.