| 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 |