allinit		EMCluster	Test all initialization method.
allinit_ss	EMCluster	Test for semi-supervised clustering.
emcluster	EMCluster	Test emclust() with emgroup().
emstep		EMCluster	Test e.step() and m.step().
myiris		EMCluster	Test iris data set.
shortem		EMCluster	Test shortemcluster().
starts_via_svd	EMCluster	Test a function starts.via.svd().
RRand		EMCluster	Test RRand().
lmt             EMCluster       Test likelihood mixture test, lmt().
ppcontour       EMCluster       Test for project.on.2d() and plotppcontour().
logit		EMCluster	Test for logit of post z and mixing proportion.
