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Re: st: regressing on percentages.

From   "Clive Nicholas" <>
Subject   Re: st: regressing on percentages.
Date   Mon, 27 Aug 2007 14:44:12 +0100

Ricardo Ovaldia wrote:


> I have data from cases and controls. The data consists
> of percentages of various cell types for each
> individual. The percentages sum to 100 for each
> person. I want to compare the two distributions (cases
> and controls) while adjusting for subject's
> characteristics.
> Is there an appropriate model in Stata to do this?

Others will no doubt have a different view on this, but are you
fitting seperate models for your 'cases' and 'controls'? If so, my
money would be on -sureg-.

Clive Nicholas

[Please DO NOT mail me personally here, but at
<>. Thanks!]

"Courage is going from failure to failure without losing enthusiasm."
-- Winston Churchill
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