duplication             A duplication matrix
duplication.inverse     The inverse of a duplication matrix
rggm-package            Fitting Gaussian concentrate matrix models with
                        a robustified method
rob.asymv.sigma         An internal function
rob.browne.test         An overall goodness-of-fit of the model
rob.delta               An internal function
rob.estimConGraph       Robustfied estimators for a given Gaussian
                        concentration graph models
rob.fitConGraph         Fitting a concentration graph model based on a
                        robustified method
rob.pcov.test           Testing zero partial covariances
sqrtm                   Squared root matrix of a given symmetric matrix
vech                    The half vectororized elements of a given
                        matrix
