Re: [R] Packages and their Management

From: Prof Brian Ripley <>
Date: Fri 24 Jun 2005 - 18:58:50 EST

On Fri, 24 Jun 2005, John Marsland wrote:

> I was reading with interest Prof. Ripley's article in the May 2005
> edition R News entitled "Packages and their Management in R2.1.0".
> Does anybody know if it is possible to install.packages() directly
> from a Subversion repository; I thought it might be possible to add
> an option method="svn" to the function?

It's download.file that is used to retrieve packages (see the help file). You would need a suitable client and a suitable syntax to specify the tree you wanted, but it would be possible.

I would be surprised if you put actual sources of a package into svn: R CMD build both adds things and changes the DESCRIPTION file.

> Ideally, one might want to add the Subversion version number to the R
> package version in the DESCRIPTION file for consistency.

You are allowed to do that: just add a field for your own use. The vast majority of packages are not under svn, of course, and I tag a released package with its released number (just as the R sources do).

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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