Reparametrized. Added example.
Further reparametrization. Added examples.
Removed "mean" method from fit.rcm. Added new rcm_get_nu2.
Psi2Sigma no longer needed with new parametrization.
Updated createRCMData to reflect the new parametrization.
drcm reparameterized
EM step in the reparameterization
pooled step removed. Updated fit.rcm.
Fixed typo.