Links
CRC: http://www.sph.umich.edu/csg/qin/CRC/
The R Project for Statistical Computing: http://www.rproject.org/
BioConductor: http://www.bioconductor.org/
GOstats: http://bioconductor.org/packages/1.8/bioc/html/GOstats.html
Heatplus: http://bioconductor.org/packages/1.8/bioc/html/Heatplus.html
ImageMagick: http://www.imagemagick.org/script/index.php
Coefficient of variation, Wikipedia: http://en.wikipedia.org/wiki/Coefficient_of_variation
Comparsion of popular clustering programs:
CRCView 
Modelbased 
Yes 
MCLUST 
Modelbased 
No 
GIMM 
Modelbased 
No 
GEPAS 
Self organising tree, hierarchical clustering, kmeans partitioning, selforganization maps, hierarchical clustering on selforganizing map result. 
Yes 
wCLUTO 
Classes of clustering algorithms: partitional, agglomerative, & graphpartitioning based.
Similarity/distance functions: Euclidean distance, cosine, correlation coefficient, extended Jaccard, userdefined.

Yes 
GenePattern 
Supervised: classification and regression trees (CART), Knearest neighbors (KNN), probabilistic neural network (PNN), Weighted Voting, and Support Vector Machines (SVM)
Unsupervised: consensus clustering, hierarchical clustering, and selforganizing maps (SOM clustering) 
Yes 
Cluster(EisenLab) 
Hierarchical clustering, selforganizing maps (SOMs), kmeans clustering. 
No 
MeV 
Hierarchical clustering, support trees (bootstrapping), selforganizing trees, kmeans clustering, selforganizing maps, clustering affinity search technique, qt_clust 
No 
GeneCluster 
Deprecated 
No 
