get_pcp_defaults        Retrieve default PCP parameter settings for
                        given matrix
grid_search_cv          Cross-validated grid search for PCP models
hard_threshold          Hard-thresholding operator
impute_matrix           Impute missing values in given matrix
matrix_rank             Estimate rank of a given matrix
proj_rank_r             Project matrix to rank r
queens                  Daily chemical concentrations of 26 PM2.5
                        species from Queens, NYC (2001-2021)
root_pcp                Square root principal component pursuit (convex
                        PCP)
rrmc                    Rank-based robust matrix completion (non-convex
                        PCP)
sim_data                Simulate simple mixtures data
sim_lod                 Simulate limit of detection data
sim_na                  Simulate random missingness in a given matrix
sing                    Compute singular values of given matrix
sparsity                Estimate sparsity of given matrix
