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Re: st: Date: Thu, 29 Nov 2007 09:08:18 +0100


From   nicola.baldini2@unibo.it
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Date: Thu, 29 Nov 2007 09:08:18 +0100
Date   Mon, 03 Dec 2007 17:59:21 +0100

I don't understand your question. Are you comparing models with different dependent variable?
Can't the help for -xi- help you?
Nicola
At 02.33 30/11/2007 -0500, "Di Stefano, Paola" wrote:
>Hi everybody,
>
>I have 56 patients with 5 measurements each (y0,y1, y2, y3, y4). I'using
>the xtgee command:
>
>xi: xtgee y i.terapy, family(gaussian) link(identity) corr(exchangeable)
>
>The default reference is y0 and so I obtain the comparison between
>y1 versus y0
>y2 versus y0
>y3 versus y0
>y4 versus y0.
>I would like to know also the comparison between y4 versus y3 (for
>example).
>How can I change the reference value from y0 to y3 without changing the
>dataset?
>Does anybody can help me please?
>
>Thanks a lot,
>Paola

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