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st: poisson regress probabilities


From   Wolney Conde <wolneyconde@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: poisson regress probabilities
Date   Fri, 16 Apr 2010 15:31:58 -0300

Dear listers,
I'd like to express my output Poisson regression as probabilities.
Stata doesn't allow to this using <predict> command instead of after
<logit> command for example. After logit regression I can get
probabilities directly using <p> option in <predict> command or
calculating by exp(xb)/(1+exp(xb)). Can I do the same to Poisson
regress?
I'm afraid it's a silly question once probability distribution
estimation is different for Poisson and binomial distribution but I'd
like to some advice.
thanks in advanced,
Wolney.

--
Wolney Conde
Department of Nutrition
School of Public Health
University of Sao Paulo
Av. Dr. Arnaldo 715
01246-904 Sao Paulo, Brazil
phone: +55-11-30617705 extension 7873
fax: +55-11-30617705
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