[R] Leaps and bound

[Thomas Lumley]

On Thu, 31 Jan 2002, GIORGI Roch wrote:

> Hi,
>
> I used the bic.surv function, S-PLUS functions developed by Chris Volinsky
> http://www.research.att.com/~volinsky/bma.html, without problems with
> S-PLUS.
>
> I have to use it with R but I am face with a problem: this function call a
> fortran routine named "leaps" (answer <- .Fortran("leaps", arguments)). I
> loaded the leaps library, and the leaps function work well with my R, but
> there is no Fortran routine named "leaps" within it.
>
> Do you know in what package I can find the "leaps" Fortran routine or what
> is the R version of the S-PLUS "leaps" Fortran routine (if exist)?
>

There is no `leaps' Fortran routine in R -- the all-subsets code in R is
completely different.  All the same information is probably there, but you
would have to look at the Fortran code to see how to find it.  The routine
you are looking for is an undocumented internal part of S, so it would be
surprising if it were in R.

	-thomas

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