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st: 2nd Try: Conflicting Brant Test Results in OLM


From   Rkaminski@aol.com
To   statalist@hsphsun2.harvard.edu
Subject   st: 2nd Try: Conflicting Brant Test Results in OLM
Date   Mon, 9 Aug 2004 20:51:16 EDT

I received one reply, but I'm looking for additional advice regarding my  
query. Thanks.  
 
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I  estimated some ordered logit models and checked whether the proportional  
odds assumption was violated using the Brant test. In some cases the omnibus  
Brant test suggests the assumption is violated,  but Brant tests of the  
individual regressors in the same models suggest the  assumption is not  
violated. 
What should one conclude in this case?  Is it  best to  be cautious and use, 
say, 
generalized ordered logit, or is it  reasonable  to stick with the ordered 
logit results?  Thanks in  advance for any  advice.

Bob 
 
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