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| 偏相关 | t检验值 | P值 |
| r(y, X1)= | −0.9955 | 10.4907 | 0.009 |
| r(y, X2 )= | 0.9926 | 8.1998 | 0.0145 |
| r(y, X1*X1)= | 0.9904 | 7.1462 | 0.019 |
| r(y, X2*X2)= | −0.9956 | 10.6317 | 0.0087 |
| r(y, X3*X3)= | −0.9966 | 12.1781 | 0.0067 |
| r(y, X1*X3)= | 0.9967 | 12.2285 | 0.0066 |
| r(y, X2*X4)= | 0.993 | 8.3795 | 0.0139 |
| 相关系数R | 0.9993 |
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| F值 | 105.2098 |
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| P值 | 0.0349 |
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