R help - Mar 2010 - Effect Size Formaula and Calulations in R

Hello,
I would like to find out how to use R to compute the effect size of two
samples for a two sample t test. Is there a formula for the fisher's exact
test? Any R code and/or formula would be greatly appreciated.

Thanks,
Jim

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pwr package:

ES.h and ES.w1, ES.w2, cohen.ES



On Wed, Mar 17, 2010 at 1:28 PM, Jim Silverton <jim.silverton at
gmail.com> wrote:
> Hello,
> I would like to find out how to use R to compute the effect size of two
> samples for a two sample t test. Is there a formula for the fisher's
exact
> test? Any R code and/or formula would be greatly appreciated.
>
> Thanks,
> Jim
>
> ? ? ? ?[[alternative HTML version deleted]]
>
> ______________________________________________
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> 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.
>


-- 
CH Chan
Research Assistant - KWH
http://www.macgrass.com