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Re: st: logistic reg version 8 & 11

From   Maarten buis <>
Subject   Re: st: logistic reg version 8 & 11
Date   Fri, 10 Sep 2010 07:29:23 +0000 (GMT)

--- On Thu, 9/9/10, Ricardo Ovaldia wrote:
> I wrote a program a while back using
> version 8 and I notce the -logistic- gives different
> results. The results under version 8 differ from those under
> version 11. Why is this? Which is correct?

I have noticed similar behaviour while running my certification
scripts in Stata 10 and Stata 11. In my case the difference was
somewhere in the fourth digit. Since I also noticed that -logit-
was a bit slower, I suspected a change in algorithm, and as a 
consequence the difference did not worry me. Howevere, it would
be nice to hear this suspicion confirmed by StataCorp.

-- Maarten

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


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