feasibility_violation_off
                        Feasibility Violation
fraction_variance_explained
                        Fraction of Variance Explained
fraction_variance_explained_perPC
                        Fraction of Variance Explained per PC
mspca                   Multiple Sparse PCA
print_mspca             Print msPCA Output
tpm                     Truncated Power Method
variance_explained_perPC
                        Variance Explained per PC
