Re: [R] modeling language for optimization problems

From: Prof Brian Ripley <>
Date: Tue 04 Oct 2005 - 00:35:49 EST

On Mon, 3 Oct 2005, Huntsinger, Reid wrote:

> Have you looked at the R interface to GLPK (the GNU Linear Programming Kit)?

NUOPT is not just about LP: the subject was `language for optimization'. Its manual says

`NUOPT is a collection of powerful optimization methods, including:

In any case, I don't see GLPK as a `language' and other LP solvers are available in R.

> From:
> [] On Behalf Of Prof Brian Ripley
> Sent: Sunday, October 02, 2005 10:38 AM
> To: Paolo Cavatore
> Cc:
> Subject: Re: [R] modeling language for optimization problems
> On Sun, 2 Oct 2005, Paolo Cavatore wrote:
>> Does anyone know whether R has its own modeling language for optimization
>> problems (like SIMPLE in NuOPT for S-plus)?
> No. Note that SIMPLE is the language of NUOPT, not of S-PLUS. There is
> an (extra-cost) interface module S+NUOPT, but it is an interface to
> NUOPT's engine.
> As far as I am aware R itself covers almost none of the ground of S+NUOPT,
> and available packages cover only a small part of it.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Tue Oct 04 00:44:53 2005

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