Re: [R] Is there a non-parametric repeated-measures Anova in R ?

From: Tal Galili <tal.galili_at_gmail.com>
Date: Wed, 16 Jun 2010 20:43:53 +0300

Hello Jeremy,
Thank you for replying.

I came across friedman test (I even wrote and published R code to easily perform a post-hoc analysis of friedman
test<http://www.r-statistics.com/2010/02/post-hoc-analysis-for-friedmans-test-r-code/> ).
But what I am after is *multi-way* repeated-measures anova. Thank you for your reply which allowed me to clarify my intentions.

Best,
Tal

----------------Contact
Details:-------------------------------------------------------
Contact me: Tal.Galili_at_gmail.com | 972-52-7275845 Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | www.r-statistics.com (English)

On Wed, Jun 16, 2010 at 8:30 PM, Jeremy Miles <jeremy.miles_at_gmail.com>wrote:

> It's possible to use the ordinal regression model if your data are
> ordered categories. The standard non-parametric test is the Friedman
> test.
>
> ?friedman.test
>
> Jeremy
>
>
> On 16 June 2010 10:22, Tal Galili <tal.galili_at_gmail.com> wrote:
> > Hello Prof. Harrell and dear R-help mailing list,
> >
> > I wish to perform a non-parametric repeated measures anova.
> >
> > If what I read online is true, this could be achieved using a mixed
> Ordinal
> > Regression model (a.k.a: Proportional Odds Model).
> > I found two packages that seems relevant, but couldn't find any vignette
> on
> > the subject:
> > http://cran.r-project.org/web/packages/repolr/
> > http://cran.r-project.org/web/packages/ordinal/
> >
> > So being new to the subject matter, I was hoping for some directions from
> > people here.
> >
> > Are there any tutorials/suggested-reading on the subject? Even better,
> can
> > someone suggest a simple example code for how to run and analyse this in
> R
> > (e.g: "non-parametric repeated measures anova") ?
> >
> > I waited a week to repost this question. If I should have waited longer,
> or
> > not repost this at all - then I am truly sorry.
> >
> > Thanks for any help,
> > Tal
> >
> >
> >
> >
> >
> >>
> >> ----------------Contact
> >> Details:-------------------------------------------------------
> >> Contact me: Tal.Galili_at_gmail.com | 972-52-7275845
> >> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew)
> |
> >> www.r-statistics.com (English)
> >>
> >>
> ----------------------------------------------------------------------------------------------
> >>
> >>
> >>
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help_at_r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>
>
> --
> Jeremy Miles
> Psychology Research Methods Wiki: www.researchmethodsinpsychology.com
>

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