delete_rect             rectangular hole in image
inpainting              image recovery using Lasso regression
k_fold_cross            k_fold_cross
l_CV                    K-Fold Cross validation for L1/L2 regression
lasso_fista             Lasso regression with fixed step with FISTA
                        algorithm
lasso_fista_back        Lasso regression with backtraking line research
                        with FISTA algorithm
lasso_ista              Lasso regression with fixed step with ISTA
                        algorithm
lasso_ista_back         Lasso regression with backtraking line research
lasso_multi             Lasso logistic regression for multinomial
                        response variable with fixed step
lasso_multi_back        Lasso regression with backtraking line research
                        for multinomial response variable
ols                     Ordinary Least Square regression
ols_KCV                 K-Fold Cross Validation for OLS
ridge                   Ridge regression
softmax                 Softmax function for multinomial response
                        variable
