| CitySatisf | City Life Satisfaction Dataset |
| compute_R2 | Wasserstein R-squared |
| compute_wfrechet_mean | Compute the Wasserstein Fréchet mean of compositional data |
| default_lambda_grid | Lambda grid |
| educFM | Education level of father (F) and mother (M) |
| OCC | Ordinal Correlation Coefficient (OCC) |
| opi | Ordinal Preservation Index |
| ordinal_regression_simplex | Ordinal Compositional Regression on the Simplex |
| safe_dirichlet | Safe Dirichlet Sampling |
| select_lambda | Selection of Regularization Parameters |
| solve_simplex_lp | Solve Simplex-Constrained Linear Program |
| tensor_product | Tensor Product of Compositions |
| wd | Weighted Wasserstein Distance (W1) |
| wd_matrix | Matrix Wasserstein Distance |