豪斯曼检验stata执行循环语句时,一直报错。求求各位老师帮助!
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foreach x of varlist $yandxforhausman{
2. by state:egen mean `x`=mean(`x`)
3. gen md`x`=`x`-mean`x`
4. gen red `x`=`x`-theta*mean`x`
5. }
{ required
r(100);
我的{也确实是英文符号鸭, ...
2021-12-3 11:11 - Msss123 - Stata专版