| kNN | Nearest neighbor |
| lr.nom | Synthetic data for label ranking experiments. |
| lr.num | Synthetic data for label ranking experiments. |
| model_nbr | A naive Bayes label ranking model |
| nb_rank | Predicting label rankings based on the naive Bayes ranking model |
| nn_rank | Predicting rankings using the nearest neighbor algorithm |
| time_weights | Weights for timing |
| y | Permutations to be used as rankings |