[R] Effect Size Formaula and Calulations in R

[C.H.]

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