|
| 最优子集回归 | 向前逐步回归 | 向后逐步回归 | 岭回归模型 | Lasso回归模型 |
| Intercept | 101.347 | 583.588 | 2599.662 | 848.268 | −228.350 |
| x1 | −0.196 | −0.185 | 0.042 | 0.038 |
|
| x2 |
|
| −0.287 | 0.067 |
|
| x3 |
| −0.001 | 0.002 | 0.001 | 0.008 |
| x4 |
| 0.014 | 0.031 | 0.007 | 0.004 |
| x5 |
|
| −0.036 | 0.031 |
|
| x6 |
| −0.128 | −1.255 | −0.649 |
|
| x7 |
|
| 1.177 | 0.371 |
|
| x8 | 0.725 | 0.794 |
| 0.016 |
|
| x9 | −0.909 | −0.885 | −1.069 | 0.092 |
|
| x10 |
| 0.454 |
| 11.313 | 4.090 |
| x11 | −0.301 | −0.324 | 0.038 | 0.008 |
|
| x12 |
| −0.020 |
| 0.010 | 0.030 |
| x13 |
|
| 0.031 | 0.012 |
|
| x14 |
|
| −1.027 | 0.281 |
|
| x15 |
| 0.060 | 0.140 | 0.021 |
|
| x16 | 0.132 | 0.091 |
| 0.009 |
|
| MSE | 36,345.68 | 154,046.770 | 169,698.56 | 18,227.410 | 12,951.780 |
| RMSE | 190.6454 | 232.48 | 264.005 | 135.0089 | 113.806 |