You can't do this, I believe; more to the point, it is not
clear precisely what you expect Stata to do. However, you
could consider imputing the missing values.
Nick
[email protected]
zhou liu
> I am trying to perform 2SLS estimation. I have more instruments than
> regressors but there are a lot of missing values in instruments. Stata
> would refuse to use the observation with only one missing value in the
> instruments. How can I tell Stata to ignore the instrumental variable
> with the missing value and just make predictions with other nonmissing
> instruments? Thanks a lot.
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