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st: RE: Ignore missing values


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Ignore missing values
Date   Wed, 2 Feb 2005 23:24:51 -0000

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 
n.j.cox@durham.ac.uk 

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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