Date:         Wed, 22 Feb 2012 19:25:45 -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: proc nlmixed: 3 poisson distributions, 5 explanatory variables
Comments: To: Nuria Chapinal <nchapinal@yahoo.com>
In-Reply-To:  <201202222345.q1MNCBfd001278@waikiki.cc.uga.edu>
Content-Type: text/plain; charset=ISO-8859-1

check my presentation in sas m2008 and you should see a demo for
2-component mixture poisson model.
On Feb 22, 2012 6:45 PM, "Nuria Chapinal" <nchapinal@yahoo.com> wrote:

> Hi,
>
> I am trying to use proc nlmixed to fit 3 Poisson distributions (the
> dependent variable is count data, and the histogram looks like there are 3
> latent distributions) and I have 5 predictors I want to consider. Does
> anyone have any idea how to do it? I found examples for zero-inflated
> models, so logistic + poisson, but not for  combination of several Poisson
> distributions.
>
> Any help will be greatly appreciated.
>