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Re: st: Panel data and poisson-regression


From   "Martin Weiss" <Martin.Weiss1@gmx.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Panel data and poisson-regression
Date   Thu, 31 Dec 2009 20:52:29 +0100

<>

I think Austin has given you what you wanted! -xtline- is very versatile, and you can get creative with it: http://www.stata.com/statalist/archive/2009-11/msg01132.html

HTH
Martin

-------- Original-Nachricht --------
> Datum: Thu, 31 Dec 2009 19:12:06 +0100
> Von: moleps <moleps2@gmail.com>
> An: statalist@hsphsun2.harvard.edu
> Betreff: Re: st: Panel data and poisson-regression

> What I want is to overlay the poisson predicted values (that I´m unsure
> how to get), ie :
> 
> tsset state _freq
> xtline _freq
> xtpoisson ...something...
> predict pr
> 
> xtline ***_freq & pr (/overlaid on each other**
> 
> Happy new year,
> 
> M
> 
> 
> 
> 
> On 31. des. 2009, at 19.02, Martin Weiss wrote:
> 
> > <>
> > 
> > What exactly do you want to overlay? The predicted number from the
> -poisson- regressions? Please clarify.
> > 
> > 
> > Happy new year
> > Martin
> > -------- Original-Nachricht --------
> >> Datum: Thu, 31 Dec 2009 18:14:59 +0100
> >> Von: moleps <moleps2@gmail.com>
> >> An: statalist@hsphsun2.harvard.edu
> >> Betreff: st: Panel data and poisson-regression
> > 
> >> Dear listers,
> >> I´m looking for an effect over time between different states on the
> >> incidence of a rare cancertype. I´ve contracted my data so that I´m
> only left
> >> with _freq, state and year. 
> >> 
> >> .tsset state _freq
> >> .xtline _freq
> >> 
> >> and from here on I´m stuck. What I´d like to do is to fit a poisson
> >> regression model for each of the states and have it overlaid on the
> -xtline
> >> _freq-... 
> >> 
> >> Any ideas on how to do this?
> >> 
> >> regards,
> >> M
> >> 
> >> 
> >> *
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