[R] FORTRAN in R

[Prof Brian Ripley]

On Wed, 15 Aug 2001, Ko-Kang Kevin Wang wrote:

> In fact I'm wondering if there is a stepwise() function in R that works
> just as it works in Splus...I tried the stepfun library but it wasn't
> right, that is why I decided to copy the stepwise() function from Splus
> into R and got this problem.

No, there is nothing that works that poorly!  It has been superseded in
S-PLUS for at least ten years.

You have leaps() and friends in package leaps that uses better algorithms,
or step() which covers more general models (including those using th full
power of formulae), respects hierarchies and actually optimizes a
defensible criterion.

-- 
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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