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Re: st: How to perform a non parametric manova


From   "Michael N. Mitchell" <Michael.Norman.Mitchell@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to perform a non parametric manova
Date   Wed, 26 May 2010 10:30:37 -0700

Dear Ama

There have been some extremely useful answers to your question so far, and it might be completely settled. I don't know if anyone asked about the motivation for doing the non-parametric anova. I could see it being related to at least two different reasons...

  1) The outcome variable is not measured on an interval scale (is ordinal).

2) There is question about meeting assumptions of the manova model, in terms of normality, homogeneity of variance, etc... especially if combined with small sample sizes.

Perhaps letting us know about the underlying motivations for the selection of this model could help inform further useful information.

Best regards,

Michael N. Mitchell
Data Management Using Stata      - http://www.stata.com/bookstore/dmus.html
A Visual Guide to Stata Graphics - http://www.stata.com/bookstore/vgsg.html
Stata tidbit of the week         - http://www.MichaelNormanMitchell.com



On 2010-05-26 4.38 AM, amatoallah ouchen wrote:
Good day Stata-listers,
Does anyone have an idea about how to perform a non parametric manova?
an equivalent of the kruskal wallis test for anova?

Any help would be highly appreciated.

Ama
I
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