Table 2.
Verification of the accuracy of the fitting results.
| Evaluation Method | Calculated Value | Result | |
|---|---|---|---|
| Comparison of grading frequency between tailings and Fuller | MAE | 0.06 | Reliable |
| MAPE | 4.6% | Reliable | |
| Comparison of grading frequency between yellow phosphorus slag and Fuller | MAE | 0.02 | Reliable |
| MAPE | 7.1% | Reliable | |
| The ratio of yellow phosphorus slag to tailings | Evaluation Method | Calculated Value | Result |
| 3:7 | MAE | 0.065 | Reliable |
| MAPE | 11.4% | Reliable | |
| 4:6 | MAE | 0.0062 | Reliable |
| MAPE | 3.7% | Reliable | |
| 5:5 | MAE | 0.0042 | Reliable |
| MAPE | 1.3% | Reliable |