[R] Multiple Comparisons

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Nov 28 14:29:32 CET 2000

> 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.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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