Re: [R] A model package that uses S4 methods and name spaces?

From: Prof Brian Ripley <>
Date: Sat 14 May 2005 - 15:43:49 EST

On Fri, 13 May 2005, Douglas Bates wrote:

> wrote:
>> I'd like to try and rewrite my package to take advantage of S4 methods and
>> name spaces. I am presuming that S4 methods and name spaces will help me
>> write and maintain my package.
>> Can someone suggest a "model" package that uses best practices for mixing
>> S3, S4 methods and name spaces? Preferably a package with multiple R
>> source files.
> It doesn't mix S3 and S4 but the Matrix package is a large package based
> on S4 that does show the use of S4 and a NAMESPACE. On a smaller scale,
> the lme4 package also uses S4 and a NAMESPACE.

The stats4 package in the distribution is intended to be a model in the sense I think we were asked for. It is much smaller than Doug's examples.

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 Sat May 14 15:47:17 2005

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