MASS is a recommended package, so is probably already installed on your machine. Try
library(MASS) -Ista On Tue, Mar 9, 2010 at 9:32 AM, Markus Loecher <markus.loec...@gmail.com> wrote: > The MASS package is listed on the CRAN web site ( > http://cran.r-project.org/web/packages/MASS/index.html) but I am unable to > install it via install.packages(). The error is that the package is > "unavailable". When I manually download the source tar ball and try to > install it on a Linux machine, installation fails because "it is not a valid > package". > > Do I need to search different repositories ? > Thanks, > Markus > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org ______________________________________________ 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.