BIC_PFP                 Selecting Tuning Parameter for Factor
                        Adjusted-Pairwise Fusion Penalty (FA-PFP)
                        Method via corresponding BIC
BIC_SILFS               Selecting Tuning Parameter for SILFS Method via
                        corresponding BIC
DCADMM_iter_l1          SILFS-Based Subgroup Identification and
                        Variable Selection Optimized by DC-ADMM under
                        the L1 Distance
DCADMM_iter_l2          SILFS-Based Subgroup Identification and
                        Variable Selection Optimized by DC-ADMM under
                        the L2 Distance
FA_PFP                  Factor Adjusted-Pairwise Fusion Penalty
                        (FA-PFP) Method for Subgroup Identification and
                        Variable Selection
INIT                    Initialization Function for the Intercept
                        Parameter
SCAR                    Standard Center Augmented Regularization
                        (S-CAR) Method for Subgroup Identification and
                        Variable Selection
SILFS                   SILFS-Based Subgroup Identification and
                        Variable Selection Optimized by Coordinate
                        Descent under the L2 Distance
