[R] Repeated Measures ANOVA

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Tue Aug 6 19:18:22 CEST 2002

On Tue, 6 Aug 2002, Jonathan Baron wrote:

> On 08/06/02 11:16, Sukhaswami Malladi wrote:
> >R-help,
> >
> >Could someone in the list write as to what is the R function to
> >perform repeated measures ANOVA and post-hoc tests ?
> See http://www.psych.upenn.edu/~baron/rpsych.htm,
> particularly section 6, on repeated measures.  But there may be
> other ways to do it.

Certainly.  Those not steeped in the traditional approach will probably
find lme easier to use.

> (And I'll leave post-hoc tests to others.)

As a start, TukeyHSD and the pairwise.* functions in package ctest, and
function p.adjust. Package multcomp on CRAN  goes further `for the one-way
layout'.  There are other pieces around too.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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