Invalid MIT-MAGIC-COOKIE-1 key.clust: no visible global function definition for ‘cutree’
.clust: no visible global function definition for ‘as.hclust’
.clust: no visible global function definition for ‘hclust’
.los: no visible global function definition for ‘rnorm’
.parseFormula: no visible global function definition for ‘terms’
.parseFormula: no visible global function definition for ‘formula’
.plot.decisionTree.SDA: no visible global function definition for
  ‘plot’
.plot.decisionTree.SDA: no visible global function definition for
  ‘rect’
.plot.decisionTree.SDA: no visible global function definition for
  ‘text’
.plot.decisionTree.SDA: no visible global function definition for
  ‘lines’
.zoomStar: no visible global function definition for ‘plot’
.zoomStar: no visible global function definition for ‘lines’
.zoomStar: no visible global function definition for ‘text’
.zoomStar: no visible global function definition for ‘polygon’
.zoomStar: no visible global function definition for ‘points’
HINoV.SDA: no visible global function definition for ‘cutree’
HINoV.SDA: no visible global function definition for ‘hclust’
IchinoFS.SDA: no visible global function definition for ‘plot’
IchinoFS.SDA: no visible global function definition for ‘segments’
IchinoFS.SDA: no visible global function definition for ‘text’
PCA.centers.SDA: no visible global function definition for ‘cor’
PCA.mrpca.SDA: no visible global function definition for ‘prcomp’
PCA.vertices.SDA: no visible global function definition for ‘cor’
bagging.SDA: no visible global function definition for ‘as.formula’
boosting.SDA: no visible global function definition for ‘as.formula’
dist.SDA: no visible global function definition for ‘as.dist’
generate.SO: no visible global function definition for ‘rnorm’
kohonen.SDA: no visible global function definition for ‘dist’
kohonen.SDA: no visible global function definition for ‘plot’
kohonen.SDA: no visible global function definition for ‘segments’
kohonen.SDA: no visible global function definition for ‘text’
replication.SDA: no visible global function definition for ‘as.dist’
symscal.SDA: no visible global function definition for ‘rnorm’
Undefined global functions or variables:
  as.dist as.formula as.hclust cor cutree dist formula hclust lines
  plot points polygon prcomp rect rnorm segments terms text
Consider adding
  importFrom("graphics", "lines", "plot", "points", "polygon", "rect",
             "segments", "text")
  importFrom("stats", "as.dist", "as.formula", "as.hclust", "cor",
             "cutree", "dist", "formula", "hclust", "prcomp", "rnorm",
             "terms")
to your NAMESPACE file.