| 多项式次数 | 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 |
| RMSE | 7.81 | 0.99 | 0.24 | 0.19 | 0.17 | 0.15 | 0.12 | 2.02 |
| r2_score | 0.36 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.96 |