From jmc@research.bell-labs.com  Sat Jan  6 22:19:46 2001
From: jmc@research.bell-labs.com (John Chambers)
Date: Sat, 6 Jan 2001 17:19:46 -0500 (EST)
Subject: [Rd] R/S-Plus compatibility package
Message-ID: <200101062219.RAA24588@jessie.research.bell-labs.com>

We're starting work on an R package and corresponding S-Plus library
to help programmers write software that will work in both systems.

Some descriptions and downloadable software are available on the
Omegahat web site, at
	 http://www.omegahat.org/SLanguage/

The strategy, as described there, is to be as back-compatible within R
and within S-Plus as possible, but provide tools and guidelines to
smooth over inconsistencies between the two implementations of the S
language.

The tools will include both S language and C/C++ support.  It's
starting off with the functions that access objects (get, etc.), a
couple of tools for dealing with language objects, and a bit of
miscellany.  More to come shortly.

If you're experienced or interested in writing software targeted to
both R and S-Plus, please take a look at the package.  It's at a very
early stage, and comments, suggestions of what should be in there, or
(especially) contributions are very much needed.

-- 
John M. Chambers                  jmc@bell-labs.com
Bell Labs, Lucent Technologies    office: (908)582-2681
700 Mountain Avenue, Room 2C-282  fax:    (908)582-3340
Murray Hill, NJ  07974            web: http://www.cs.bell-labs.com/~jmc
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[Rd] R/S-Plus compatibility package
John Chambers