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st: Error message in MI in Stata


From   Rosie Chen <jiarongchen2002@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Error message in MI in Stata
Date   Tue, 9 Mar 2010 16:13:22 -0800 (PST)

Dear all, 

    I am learning to use Stata for multiple imputation, but encountered a problem when implementing the imputation. Below is the error message. Would anybody have any insight about what really went wrong? The mgps variable is a dummy variable with large cells for both categories (51% vs. 49%, and total sample size is over 6,000), so I am not sure how could there be no observations.... Thank you very much for the advice in advance. Hope to learn more from the statalist--- Rosie

 Error #2000 encountered while running -uvis-
I detected a problem with running uvis with command logit on response mgps
and covariates parincm socint eed2 white black hispanic asian native female.

The offending command resembled:
uvis logit mgps parincm socint eed2 white black hispanic asian native female,     

no observations
r(2000);


      
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