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Re: st: Logistic regression

From   Richard Williams <[email protected]>
To   [email protected], [email protected]
Subject   Re: st: Logistic regression
Date   Fri, 24 Oct 2008 10:45:46 -0400

At 10:15 AM 10/24/2008, Charles Chasela wrote:
In doing a logistic regression, after storing A and B to do a Likelihood
ratio test lrtest A B, it said there is a difference in the population in
the two variables 884 vs 885.

Is there anything I can do to deal with the problem.

Charles Chasela

It sounds like missing data lost you a case as you added more variables. You should run both analyses on the exact same cases. One easy way to do this is via the -nestreg- command, e.g.

nestreg, lr: logit y (x1 x2 x3) (x4 x5 x6)

Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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