Hi! I also have problems when I try to install packages. I use R (v. 3.3.0) on iMac (v. 10.11.4). For instance:
> install.packages("doBy") Warning: unable to access index for repository http://ftp.sunet.se/pub/lang/CRAN/src/contrib: cannot open URL 'http://ftp.sunet.se/pub/lang/CRAN/src/contrib/PACKAGES' Warning: unable to access index for repository http://ftp.sunet.se/pub/lang/CRAN/bin/macosx/mavericks/contrib/3.3: cannot open URL ' http://ftp.sunet.se/pub/lang/CRAN/bin/macosx/mavericks/contrib/3.3/PACKAGES' Warning message: package ‘doBy’ is not available (for R version 3.3.0) > But when I give the same command using RStudio, everything works just fine > install.packages("doBy") trying URL ' https://cran.rstudio.com/bin/macosx/mavericks/contrib/3.3/doBy_4.5-15.tgz' Content type 'application/x-gzip' length 3429051 bytes (3.3 MB) ================================================== downloaded 3.3 MB Also, the Get list button on the R Package Intaller window generates an error message Warning: unable to access index for repository http://ftp.sunet.se/pub/lang/CRAN/bin/macosx/mavericks/contrib/3.3: cannot open URL ' http://ftp.sunet.se/pub/lang/CRAN/bin/macosx/mavericks/contrib/3.3/PACKAGES' [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.