Multiple Comparisons

Prof Brian Ripley <ripley at stats.ox.ac.uk> writes:

Date: Tue, 28 Nov 2000 08:11:10 -0500 (EST)
From: Doc Robinson <vbr at geomant.erin.utoronto.ca>

I have used multicomp    in S-Plus 2000 to do multiple comparisons
and have had difficult time locating whether or not this is
availabe in R or one of the add-ons to R.......is it something
that is goin  to be added in the near future ?
or have i missed something in my search ?

The answer depends if you are proposing to contribute a version!
There is nothing anything like as comprehensive, as far as I know.

multicomp is not part of S, and for fairly obvious reasons the R
project is not attempting to clone the work of a commercial organization.
If you have S-PLUS 2000, why not use it for this?

There are some simple multiple comparison things in R: look at the
*pairwise* functions in ctest, for example.

There is a Tukey studentized range test available in the Devore5
package.  Rukmini Kethireddypally <rukmini at stat.wisc.edu> is working
on Duncan's multiple comparison test.
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Douglas Bates <bates at stat.wisc.edu> writes:

There is a Tukey studentized range test available in the Devore5
package.  Rukmini Kethireddypally <rukmini at stat.wisc.edu> is working
on Duncan's multiple comparison test.

I had Rukmini's e-mail address wrong.  The correct address is
                        kethired at stat.wisc.edu
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