Re: [R] Games-Howell, Gabriel, Hochberg

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Thu 01 Dec 2005 - 03:00:05 EST

Another possibility might be to have a CRAN Task View devoted to tests. The whole area is quite confusing and it would be nice to have a central point for guidance.

On 30 Nov 2005 16:55:13 +0100, Peter Dalgaard <p.dalgaard@biostat.ku.dk> wrote:
> Gabor Grothendieck <ggrothendieck@gmail.com> writes:
>
> > What would be nice would be an R routine that automatically
> > implements this flowchart.
>
>
> I'd recommend learning about p.adjust and the multcomp package
> *instead* of following the flowchart. (Ignoring heteroscedasticity
> seems a bit silly too, given the availability of oneway.test(), and
> I'm not too happy about mechanistic dependency upon tests for
> normality either.)
>
> > On 11/30/05, Claus Atzenbeck <claus.atzenbeck@freenet.de> wrote:
> > > On Tue, 29 Nov 2005, Claus Atzenbeck wrote:
> > >
> > > > How do you calculate post hoc multiple comparisons tests with R for
> > > > normal distributed samples with different variances?
> > >
> > > In order to make it more visible, I have created an overview that shows
> > > my decision about what test I use. It is available at
> > > <http://cs.aaue.dk/~claus/temp/TestOverview.pdf>. What can I change that
> > > I still can use R to perform my test? (At the very bottom of the
> > > overview you see note about the missing tests in R.)
> > >
> > > Thanks for any comment.
> > > Claus
> > >
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> >
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>
> --
> O__ ---- Peter Dalgaard ุster Farimagsgade 5, Entr.B
> c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
> (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
> ~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk) FAX: (+45) 35327907
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Dec 01 03:52:49 2005

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