On Sun, 28 Aug 2005, Prof Brian Ripley wrote:
>> After redirecting R 2.1.1 on my laptop to use
>> http://cran.au.r-project.org/
>> for the CRAN repository, the install.packages() command ran without
>> problems. I issued the command `library(MASS)' and tried out the
>> example from fitdistr on that machine (same strange result for second
>> command and warning messages were issued). So I said
>> update.packages() and that command failed when it wanted to update
>> the MASS package. So I detach()'ed MASS and re-ran update.packages()
>> and again it failed. So I exited R 2.1.1 and restarted it again
>> (probably I should have unloaded the namespace of MASS??) and then the
>> update.packages command worked.
>
> Yes, and that *is* in the rw-FAQ.
>
>> However, update.packages() wanted to update quite a few packages
>> besides MASS (the other packages in the VR bundle, nlme, lattice &c).
>> Once it failed on MASS, it terminated with an error and did not update
>> any of the other packages. Would it be possible to robustify
>> update.packages behaviour such that it would continue in such
>> situations with updating the remaining packages?
>
> Not a good idea. Better to follow the FAQ. At that point the dependencies
> have been worked out and will not be re-computed if a package installation
> fails.
I checked, and I am unable to reproduce this. I get
> library(MASS)
> install.packages(c("MASS", "tree"))
trying URL
'http://cran.at.r-project.org/bin/windows/contrib/2.2/tree_1.0-19.zip'
Content type 'application/zip' length 144676 bytes
opened URL
downloaded 141Kb
package 'tree' successfully unpacked and MD5 sums checked
The downloaded packages are in
C:\Documents and Settings\ripley\Local
Settings\Temp\Rtmp13777\downloaded_packages
updating HTML package descriptions
Warning message:
package MASS is in use and will not be installed
which seems perfectly reasonable.
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
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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