[R] multicomp

Prof Brian D Ripley ripley at stats.ox.ac.uk
Tue Feb 8 00:07:23 CET 2000

On Mon, 7 Feb 2000, Faheem Mitha wrote:

> Dear R people,
> I have heard rumors of a function called (I believe) multicomp in S+ for
> doing multiple comparisons for linear models. It doesn't seem to be in the
> version of R I am using, 0.90.0. Is there something equivalent to this in
> R, or does it simply not exist?

Yes, S-PLUS (but not S) has had a function called multicomp for a couple of
years. However, R is `not unlike' S version 3, not S-PLUS 4.x or 5.x.  The
latest version of R, 0.99.0, has some capability for multiple comparisons,
but nothing as comprehensive as multicomp().

> I see there is are more recent versions of R. For my platform, SuSE Linux,
> the most recent rpm available appears to be 0.90.1-2. Does the update
> effect people like myself doing basic things with linear models?

Well, _lots_ of bugs get fixed on each release, but as the only more
recent version was released earlier today, you might expect an RPM
fairly soon but not today.

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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