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Re: st: Nonparametric Multiple Comparison Testing


From   clinton.thompson@summitllc.us
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Nonparametric Multiple Comparison Testing
Date   Tue, 3 Jan 2006 15:02:40 -0800 (PST)

if i recall, there is a user-written command called -kwallis2- that
automatically performs a post hoc comparison if significance between the
groups is obtained.  type -findit kwallis2- (w/out the dashes, of course)
in the command window for more information...
hope this helps,
clint


> Is it possible to perform nonparametric multiple comparison testing in
> Stata?  I am attempting to compare the distributions of a continuous
> variable (AGE) between five groups (group5) with unequal variances (based
> upon Bartlett's test using the oneway command) and I don't see any option
> for multiple comparison testing with the kwallis command.  I searched
> through the Statalist archives and Stata's help but haven't been able to
> turn up any information on this.
>
> Here are the commands that I used:
>
> oneway AGE group5, bonferroni
>
> kwallis AGE, by(group5)
>
> Thanks for your help,
>
> Christopher Simpkins, M.D.
> Research Fellow
> Department of Surgery
> The Johns Hopkins University, School of Medicine
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>


*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



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