| foldednorm.mean | The function for obtaining the mean of a folded normal distribution |
| spca.cavi.Laplace | Function for the PX-CAVI algorithm using the Laplace slab |
| spca.cavi.mvn | Function for the PX-CAVI algorithm using the multivariate normal slab |
| VBsparsePCA | The main function for the variational Bayesian method for sparse PCA |