.em.methodEM (default) stands for the standard EM algorithm, ECM
stands for Expectation/Conditional Maximization algorithm, and AECM
stands for Alternating ECM algorithm.
The performance is roughly about AECM > EM ~ ECM which
are dependent on the separations of data set. Dempster, A. and Laird, N. and Rubin, D. (1977)
Meng, X.-L. and Rubin, D. (1993)
Meng, X.-L. and van Dyk, D. (1997)
.show.option,
.EMC,
.EMControl,
phyclust.