| NNMF | Non-negative matrix factorization |
| PCA | Principal component analysis |
| CE | Custom ensemble |
| Cox R | Cox regression |
| LB | LogitBoost |
| ADT | Alternating DT |
| ROC | Receiver operating characteristic |
| AUC | Area under the receiver operating characteristic curve |
| RMSE | Root mean squared error |
| MAE | Mean absolute error |
| OR | Odds ratio |