+ enum {
+ // Standard k-mean
+ STANDARD_ASSOCIATION,
+ // Same, implemented as a LP problem for sanity check
+ STANDARD_LP_ASSOCIATION,
+ // Criterion forcing to have the same distribution of classes in
+ // all clusters
+ UNINFORMATIVE_LP_ASSOCIATION,
+ // Criterion forcing to have the same number of samples of each
+ // class in all clusters
+ UNINFORMATIVE_LP_ASSOCIATION_ABSOLUTE
+ };