黃河泉 发表于 2018-12-21 17:40 
应该可以吧！
黄老师，我用静态面板霍斯曼检验时候出现以下，想请问下这是什么原因造成的该如何解决呢？
“. hausman fe re
Note: the rank of the differenced variance matrix (6) does not equal the number of coefficients being tested (7); be sure this is what you expect, or there may be problems computing the test. Examine the output of your estimators for anything unexpected and possibly consider scaling your variables so that the coefficients are on a similar scale.”
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