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