FTRLProx_Hashing        Feature Hashing for FTRL-Proximal Model
FTRLProx_cv             FTRL-Proximal Linear Model Cross Validation
FTRLProx_predict        FTRL-Proximal Linear Model Predicting
FTRLProx_predict_spMatrix
                        FTRL-Proximal Linear Model Predicting Function
FTRLProx_train          FTRL-Proximal Linear Model Training
FTRLProx_train_spMatrix
                        FTRL-Proximal Linear Model Fitting Function
FTRLProx_validate       FTRL-Proximal Linear Model Validation
FTRLProx_validate_spMatrix
                        FTRL-Proximal Linear Model Validation Function
rFTRLProximal           rFTRLProximal: FTRL-Proximal Algorithm
slice                   Subsetting dgCMatrix
