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Date:         Mon, 15 Aug 2005 10:39:11 -0700
Reply-To:     David L Cassell <davidlcassell@MSN.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         David L Cassell <davidlcassell@MSN.COM>
Subject:      Re: QR: NLMIXED and overdispersion
In-Reply-To:  <MC2-F24CdJB8QO8gjui0011dbef@mc2-f24.hotmail.com>
Content-Type: text/plain; format=flowed

adel_tangi@YAHOO.FR ecrit: >My problem corresponds to the second question, I have , or Iexpect an >overdispersion probleem with my binary variable and I would like to handle >that in the second level of my model, using the NLMIXED procedure.

That should be straightforward. One of the classical ways of modeling that is to treat the parameter p as coming from a beta distribution, and modeling that in your second stage. Have you tried that?

David -- David L. Cassell mathematical statistician Design Pathways 3115 NW Norwood Pl. Corvallis OR 97330

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