[R] Power analysis for MANOVA?

[Mitchell Maltenfort]

http://www.amazon.com/Statistical-Power-Analysis-Behavioral-Sciences/dp/0805802835

Cohen's book was in fact the basis for the "pwr" package at CRAN.

And it does have a MANOVA power analysis, which was left out of the
"pwr" package.



On Mon, Jan 26, 2009 at 4:12 PM, Adam D. I. Kramer <adik at ilovebacon.org> wrote:
> Hello,
>
>        I have searched and failed for a program or script or method to
> conduct a power analysis for a MANOVA. My interest is a fairly simple case
> of 5 dependent variables and a single two-level categorical predictor
> (though the categories aren't balanced).
>
>        If anybody happens to know of a script that will do this in R, I'd
> love to know of it! Otherwise, I'll see about writing one myself.
>
>        What I currently see is this, from help.search("power"):
>
> stats::power.anova.test
>                        Power calculations for balanced one-way
>                        analysis of variance tests
> stats::power.prop.test
>                        Power calculations two sample test for
>                        proportions
> stats::power.t.test     Power calculations for one and two sample t
>                        tests
>
>        Any references on power in MANOVA would also be helpful, though of
> course I will do my own lit search for them myself.
>
> Cordially,
> Adam D. I. Kramer
>
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>



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