Rcpp, gss, cluster, lattice, stats, graphics
colorspace, RColorBrewer, TeachingDemos, data.table,
dendextend, ggplot2, gplots, gridExtra, rpart, rpart.plot,
xtable
colorspace, RColorBrewer, TeachingDemos, data.table, ggplot2,
gridExtra, rpart, rpart.plot, xtable
colorspace, RColorBrewer, data.table, ggplot2, gridExtra,
rpart, rpart.plot, xtable, knitr