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RE: st: adjusted Mann-Whitney/Wilcoxon test


From   "Joseph Coveney" <jcoveney@bigplanet.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: adjusted Mann-Whitney/Wilcoxon test
Date   Fri, 10 Apr 2009 01:49:15 +0900

Check out -vanelteren- (-findit vanelteren-).

Joseph Coveney

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Constantine
Daskalakis
Sent: Friday, April 10, 2009 00:45
To: statalist@hsphsun2.harvard.edu; Constantine Daskalakis
Subject: Re: st: adjusted Mann-Whitney/Wilcoxon test

I have the same question as Ricardo.

By stratified, we mean controlling for another covariate:

Wilcoxon of Y by X, controlling for Z

StatXact does this stratified Wilcoxon.


David, the parallel is Mantel-Haenszel for dichotomous outcome.

So, the command would look something like this:

ranksum y x, by(z)

or

ranksum y, by(x) strata(z)


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