[R] Statistical Power

[Charles C. Berry]

On Tue, 23 May 2006, Christopher Brown wrote:

> How can I compute a power analysis on a multi-factor within-subjects
> design?

If you are capable of installing source packages and if you know what a 
general linear hypothesis test is, you can:

download 'hpower' to your computer

 	http://gd.tuwien.ac.at/languages/R/src/contrib/hpower_0.1-0.tar.gz

and install it. Then

library( hpower )
?glhpwr


should get you started.


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Charles C. Berry                        (858) 534-2098
                                          Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	         UC San Diego
http://biostat.ucsd.edu/~cberry/         La Jolla, San Diego 92093-0717