| ROC | Receiver operating characteristic. |
| AUC | Area under the ROC curve. |
| MAP | Mean average precision. |
| MSE | Mean squared error. |
| MAE | Mean absolute error. |
| R2 | Coefficient of determination. |
| SPRC | Source–pathway–receptor–consequence. |
| FMEA | Failure mode and effects analysis. |
| TL | Ticket loss. |
| CCs | Customer complaints. |