ex_em		pmclust		An example of EM algorithm.
ex_aecm		pmclust		An example of AECM algorithm.
ex_apecm1	pmclust		An example of AECM1 algorithm.
ex_apecm2	pmclust		An example of AECM2 algorithm.
ex_kmeans	pmclust		An example of K-means algorithm.
