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

[Jeremy Miles]

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
>