addition                Enrichment step for constructing the model pool
comparison              Comparing the real and estimated adjacency
                        matrix
deletion                Pruning step for constructing the model pool
mle                     Estimate the precision matrix for multivariate
                        normal distribution with given adjacency matrix
                        using maximum likelihood
modelset                Construct model pool using the two-step
                        algorithm
sbic                    Structural Bayesian information criterion for
                        multivariate normal data with a given graph
                        structure
sggm                    Model selection of Gaussian graphical model
                        based on SBIC
simulate                Randomly generate a adjacency matrix based on
                        which to simulate data
