[Rd] Have download.packages consider non-CRAN repositories

Ingmar Schuster ingmar.schuster at informatik.uni-leipzig.de
Thu Jun 21 11:58:58 CEST 2012

Hi List,

I've set up a CRAN-like repository (not a CRAN mirror) on the local
filesystem (this will change to http in the future). R has been told
about this repository using the following entry in
PMR2	PMR2	file:///Users/arbeit/Documents/clarin/Open_Science/PMR2/

Now I expected download.packages(), install.packages() etc. to look
for packages in "/Users/arbeit/Documents/clarin/Open_Science/PMR2/"
without passing them repos="file:///Users/..." as an option. That
doesn't happen and I'm not completely sure why. Did I misinterpret the
role of R_HOME/etc/repositories or is it possible I made a mistake?

A related question is this: my PMR2 repo provides source packages
only. Is there a way to tell a lokal R installation to look for source
packages _only_ for this specific repo and use binary packages for

Thanks a lot

Ingmar Schuster
Natural Language Processing Group
Department of Computer Science
University of Leipzig
Johannisgasse 26
04103 Leipzig, Germany

Tel. +49 341 9732205


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