[R] Kruskal-Wallace power calculations.

Jeff Newmiller jdnewmil at dcn.davis.CA.us
Thu Apr 2 17:23:06 CEST 2015


Please stop... you are acting like a broken record, and are also posting in HTML format. Please read the Posting Guide and demonstrate that you have used a search engine on this topic before posting again.
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Sent from my phone. Please excuse my brevity.

On April 2, 2015 7:25:20 AM PDT, Collin Lynch <cflynch at ncsu.edu> wrote:
>Greetings, I am working on a project where we are applying the
>Kruskal-Wallace test to some factor data to evaluate their correlation
>with
>existing grade data.  I know that the grade data is nonnormal therefore
>we
>cannot rely on ANOVA or a similar parametric test.  What I would like
>to
>find is a mechanism for making power calculations for the KW test given
>the
>nonparametric assumptions.  My perusal of the literature has suggested
>that
>a simulation would be the best method.
>
>Can anyone point me to good examples of such simulations for KW in R? 
>And
>does anyone have a favourite package for generating simulated data or
>conducting such tests?
>
>    Thank you,
>    Collin.
>
>	[[alternative HTML version deleted]]
>
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