楼主: liu001
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回帖推荐The key problem is not correlation but colinearity. Correlation is neither a necessary nor a sufficient condition for colinearity. Condition indexes over 10 (as some authors say) indicate moderate collinearity, over 30 severe, but it also depends on which variables are involved in the collinearity.
If you do find high colinearity, it means that your parameter estimates are unstable. That is, sm ...
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