这是我的logistics回归结果的一部分,我试着删除
zchfzhlv4后,模型预测力一下子少了近8%,可是zchfzhlv4的wald检验明明没有通过,表示与因变量关系不大啊,是多重共线性么?可下面的相关系数矩阵显然证明不是啊,请高手指点,小妹感激不尽!!!
Variables in the Equation |
| B | S.E. | Wald | df | Sig. | Exp(B) | 95.0% C.I.for EXP(B) |
Lower | Upper |
Step 1(a) | EPS1 | -7.979 | 3.848 | 4.301 | 1 | 0.038 | 0.000 | 0.000 | 0.645 |
zchfzhlv4 | -1,203.063 | 8,174.777 | 0.022 | 1 | 0.883 | 0.000 | 0.000 | . |
Correlation Matrix |
| zchfzhlv4 |
Step 1 | Constant | 0.297 |
EPS1 | -0.104 |
zchfzhlv4 | 1.000 |
yhlxbsh5 | -0.028 |
ln6 | -0.274 |
zchlchshylv7 | 0.222 |
xshjxlv9 | -0.193 |
zhyywlrl10 | -0.106 |
zzchbchlv11 | -0.055 |
zhzchllv12 | 0.082 |
ldblv13 | -0.201 |
ldzchzhzhlv16 | -0.107 |