|Date: ||Wed, 28 Nov 2007 12:10:00 -0500|
|Reply-To: ||Wensui Liu <liuwensui@GMAIL.COM>|
|Sender: ||"SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>|
|From: ||Wensui Liu <liuwensui@GMAIL.COM>|
|Subject: ||Re: Poisson model and NB model|
|Content-Type: ||text/plain; charset=ISO-8859-1|
as far as I understand, the models you mentioned are nested. if so,
then take a look at LR test.
On Nov 28, 2007 11:16 AM, jn mao <firstname.lastname@example.org> wrote:
> Hello SAS-Ls,
> Could someone give me some advice about how to choose adjusted Poisson model and NB model?
> I'm analyzing an over-dispersed data, the NB model shown one variable is not significant, but when I used scale deviance adjust poisson model, that variable becomes significant. I'm not sure which model I should use? why the adjusted poisson model does not consist wit£Ť°°
> NB model?
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Statistical Project Manager
ChoicePoint Precision Marketing