On Jul 21, 2014, at 4:53 AM, Prof Brian Ripley wrote: > On 21/07/2014 12:24, Charles Thuo wrote: >> I have just installed R 3.1.1 in a machine where R 3.0.1 is already >> installed. Is it possible to use packages in the 3.0.1 on the 3.1.1. >> version as the same are in a single workstation. > > Perhaps, perhaps not. It depends in part on your platform which you have not > told us (see the posting guide). It is definitely safer to reinstall them. > For Window users see > http://cran.r-project.org/bin/windows/base/rw-FAQ.html#What_0027s-the-best-way-to-upgrade_003f > : similar ideas work for other platforms. > > The place where using packages for 3.0.1 is least likely to work is OS X, but > there installing a new binary version of R by default removes earlier > installations.
It does? That has not been my experience, and I thought that Simon has repeatedly said that the opposite was true. At least for me the older versions persist as well as the packages residing in the library/ directory (and I do not remember overriding any defaults). (I just needed some extra space this weekend and found that some of the packages with genomic data were taking up quite a bit of space in the 2.15 and 3.0 version Resources/library/ folders. I thought the usual advice (which is part of the FAQ you linked to) was to copy the contents of the Versions/<ver-no>/Resources/library/ directory from the prior version to the new similarly named directory and then run: update.packages(checkBuilt=TRUE,ask=FALSE) # I added that second argument b/c I have a large collection (This doesn't work for packages only available on r-forge or github.) -- David Winsemius Alameda, CA, USA ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
