AMI                     Adjusted Mutual Information
ARI                     Adjusted Rand Index
Chi2                    Chi-square statistics
MARI                    Modified Adjusted Rand Index
MARIraw                 raw Modified Adjusted Rand Index
NID                     Normalized information distance (NID)
NMI                     Normalized mutual information (NMI)
NVI                     Normalized variation of information (NVI)
RI                      Rand Index
clustComp               Measures of similarity between two
                        classification
entropy                 Entropy
sortPairs               Sort Pairs
