| em.cov | EM algorithm for multivariate normal, covariance matrix parameterization |
| em.prec | EM algorithm for multivariate normal, precision matrix parameterization |
| EMggm | Regularized GGM under missing data with EBIC or k-fold cross validation |
| rhogrid | Create sequence of possible tuning parameter values |
| startvals.cov | Starting values for means and covariances |