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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 <>
In-Reply-To:  <>
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" <> 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. >

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