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st: Can't store estimates


From   Edouard Betsem <edouardbetsem@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Can't store estimates
Date   Fri, 28 Jun 2013 00:29:03 -0700

Hi,
I'm trying to use roccomp commande to compare AUC for two logistic models. but stata won't store my estimates.

here are the commande lines.

* all counts with binary
            logistic dis ref
            est store mod1

            logistic dis stud
            est store mod2
            roccomp dis mod1 mod2, graph summary

and this is the message i have:

variable mod1 not found
r(111);

does anyone know the reason for this?
Best
Edouard




--
Edouard BETSEM, MD, PhD


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