| ClusterEntropy | A function to measure cluster entropy |
| ClusterPurity | A function to measure cluster purity |
| ConsensusMatPlot | A function to create image plot of the consensus matrix |
| nmf.mnnals | Nonnegative Matrix Factorization of Multiple data using Nonnegative Alternating Least Square |
| nmf.opt.k | Selection of optimum number of clusters (k) |
| SilhouettePlot | A function to plot silhouette width |