I find it easier to install all the packages again: #---run in previous version packages <- installed.packages()[,"Package"] save(packages, file="Rpackages")
#---run in new version load("Rpackages") for (p in setdiff(packages, installed.packages()[,"Package"])) install.packages(p) > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Robert > A LaBudde > Sent: Wednesday, May 02, 2007 5:39 PM > To: R-help@stat.math.ethz.ch > Subject: Re: [R] upgrade to 2.5 > > At 01:41 PM 5/2/2007, you wrote: > >On 5/2/07, Sundar Dorai-Raj <[EMAIL PROTECTED]> wrote: > > > > > > > > > Iasonas Lamprianou said the following on 5/2/2007 8:25 AM: > > > > Hi I am using R version 2.4.1. How can I upgrade to version 2.5 > > without having to install all the packages again? > > > > Thanks > > > > Jason > > > > > > > > > > You may find the following link relevant. > > > > > > http://finzi.psych.upenn.edu/R/Rhelp02a/archive/75359.html > > > > > > >if you use Windows XP. > > This link was useful to me, as I am new to R. (Win2000, R-2.5.0) > > What I have been doing is using a file compare utility (Beyond > Compare in my case) to move files in the old "library" directory to > the new one, if the files are missing in the new one. Then I perform > an update.packages command. > > This procedure appears to work without problem. > > It would seem much preferable to have all packages saved in an > installation-independent directory, instead of a "library" directory > under R's installation directory. Then, of course, no update would be > necessary. > > I can't find how this option is settable in R, other than a direct > argument to library() or install.package(). > > How does one shift the R default libraries location to a > particular directory? > > Thanks. > > ================================================================ > Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED] > Least Cost Formulations, Ltd. URL: http://lcfltd.com/ > 824 Timberlake Drive Tel: 757-467-0954 > Virginia Beach, VA 23464-3239 Fax: 757-467-2947 > > "Vere scire est per causas scire" > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > ______________________________________________ R-help@stat.math.ethz.ch 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.