Date: Wed, 15 Aug 2007 11:15:56 -0400
Reply-To: Kevin Roland Viel <kviel@EMORY.EDU>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: Kevin Roland Viel <kviel@EMORY.EDU>
Subject: Re: PROC GENMOD: Specifying the Working Correlation Matrix for
Repeated Measures Data
Content-Type: TEXT/PLAIN; charset=US-ASCII
On Tue, 14 Aug 2007, David L Cassell wrote:
> pjmiller_57@YAHOO.COM wrote:
> >Hello Everyone,
> > I'm running some GEE models using PROC GENMOD. My criterion variables
> >consist of repeated lipid measures (cholesterol, triglycrides, total
> >cholesterol to hdl ratio) from a sample of HIV patients. Values for each
> >criterion are coded as 0 for normal and 1 for elevated. Lipids in HIV
> >patients are often affected by the antiretroviral drugs they are taking. So
> >I'm using a variety of arvs to predict whether or not patients had elevated
OMG! David, where did your soapbox go?
0/1 for cholesterol, TG, and TC/HDL???? Please, tell me this is not so.
Do you have the raw data?
Further, do you have other meaures of liver function? Coag data?
Kevin Viel, PhD
Department of Genetics
Southwest Foundation for Biomedical Research
San Antonio, TX 78227