Date: Wed, 16 Feb 2005 17:38:08 +0100
Reply-To: Marta García-Granero
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Marta García-Granero
Organization: Asesoría Bioestadística
Subject: Re: Poisson Regression SPSS 10.0 Windows
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DG> I'm encountered some problem using SPSS 10.0 (windows) while conducting
DG> poisson and negative binomial regression.
DG> I went from regression- nonlinear regression; in the dialog box there is a
DG> part which asks for model specification. i couldn't figure it out that part.
DG> do we type something or we can choose form the options given under function.
You can run Poisson regression with SPSS with GENLOG, but negative
binomial regression is not possible
DG> there is also a part called fucntions, which has several options.
DG> now my question is which fuction is going to be appropriate for a study
DG> where the dependent variable is count and of very low probability. whether
DG> it is CDF poisson/negative binomial or r.v. poisson/negative binomial.