子模型中的变量(X) | R2 | 增值贡献(ΔR2) | ||
X1 | X2 | X3 | ||
空集或K = 0时,平均贡献 | 0.000 | 0.007 | 0.478 | 0.591 |
X1 | 0.007 | - | 0.473 | 0.589 |
X2 | 0.478 | 0.002 | - | 0.122 |
X3 | 0.591 | 0.006 | 0.01 | - |
K = 1时,平均贡献 | - | 0.004 | 0.242 | 0.356 |
X1, X2 | 0.48 | - | - | 0.125 |
X1, X3 | 0.596 | - | 0.008 | - |
X2, X3 | 0.6 | 0.004 | - | - |
K = 2时,平均贡献 | - | 0.004 | 0.008 | 0.125 |
X1, X2, X3 | 0.605 | - | - | - |
总平均贡献 | - | 0.005 | 0.243 | 0.357 |