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From   "Sampaio, Marcelo" <MSampaio@mednet.ucla.edu>
To   statalist@hsphsun2.harvard.edu
Date   Mon, 25 Aug 2008 19:03:07 -0700

Dear all
 
I am a reserch fellow and I  use stata to my analysis. I would like to know what we should do when in a multiple logistic analysis we have a output saying  that the variable was dropped by estimability or dropped because it is constant. How can we fix it and how much it affects the analysis?
 
Thanks
 
Marcelo Sampaio
Resech Fellow
 
 

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