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.gal...@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 > ______________________________________________ R-help@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.