[R] Sphericity test in R for repeated measures ANOVA

[Simon Blomberg]

?mauchly.test also ?anova.mlm

Another approach would be to do a direct test of compound symmetry by
fitting models with and without that structure, and compare them via a
likelihood ratio test.

Simon.

On Mon, 2007-08-20 at 19:08 -1000, Orou Gaoue wrote:
> Hi,
> Is there a way to do a sphericity test in R for repeated measures ANOVA
> (using aov or lme)? I can't find anything about it in the help.
> Thanks
> 
> Orou
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Simon Blomberg, BSc (Hons), PhD, MAppStat. 
Lecturer and Consultant Statistician 
Faculty of Biological and Chemical Sciences 
The University of Queensland 
St. Lucia Queensland 4072 
Australia
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T: +61 7 3365 2506 
email: S.Blomberg1_at_uq.edu.au

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