BHI: no visible global function definition for ‘getGO’
BHI: no visible binding for global variable ‘dropECode’
BSI: no visible global function definition for ‘xtabs’
BSI: no visible global function definition for ‘getGO’
BSI: no visible binding for global variable ‘dropECode’
clValid: no visible global function definition for ‘as.dist’
clValid: no visible global function definition for ‘cor’
clValid: no visible global function definition for ‘dist’
connectivity: no visible global function definition for ‘dist’
dist.fn: no visible global function definition for ‘cor’
dunn: no visible global function definition for ‘dist’
mysilhouette: no visible global function definition for ‘dist’
plot.sota: no visible global function definition for ‘par’
plot.sota: no visible global function definition for ‘legend’
plot.sota: no visible global function definition for ‘lines’
stability: no visible global function definition for ‘xtabs’
stability: no visible global function definition for ‘dist’
vClusters: no visible global function definition for ‘hclust’
vClusters: no visible global function definition for ‘cutree’
vClusters: no visible global function definition for ‘kmeans’
vClusters: no visible global function definition for ‘Mclust’
vClusters: no visible global function definition for ‘som’
vClusters: no visible global function definition for ‘as.dist’
vClusters: no visible global function definition for ‘cor’
vClusters: no visible global function definition for ‘dist’
plot,clValid-missing: no visible global function definition for ‘par’
plot,clValid-missing: no visible global function definition for
  ‘dev.interactive’
plot,clValid-missing: no visible global function definition for
  ‘matplot’
plot,clValid-missing: no visible global function definition for ‘axis’
summary,clValid: no visible global function definition for ‘ftable’
Undefined global functions or variables:
  Mclust as.dist axis cor cutree dev.interactive dist dropECode ftable
  getGO hclust kmeans legend lines matplot par som xtabs
Consider adding
  importFrom("grDevices", "dev.interactive")
  importFrom("graphics", "axis", "legend", "lines", "matplot", "par")
  importFrom("stats", "as.dist", "cor", "cutree", "dist", "ftable",
             "hclust", "kmeans", "xtabs")
to your NAMESPACE file.