Roy Robertson <jroyrobert...@comcast.net> wrote: > After installing a new version of R, how do I make the packages that I > have already installed and use on the old version available to the new > version?
Here is my solution. It has worked over many releases of R, though it will probably require one initial re-installation of packages. Set environment variable R_LIBS to some permanent directory before installing a version of R. (That is, NOT a directory under the tree of your current R version.) When you subsequently install packages, they will go into that location and won't need re-installation with each new version of R. It's still necessary to run update.packages() periodically -- such as after installing a new R version -- to keep the installed packages current. -- Mike Prager, NOAA, Beaufort, NC * Opinions expressed are personal and not represented otherwise. * Any use of tradenames does not constitute a NOAA endorsement. ______________________________________________ R-help@r-project.org 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.
