Johannes, please try the latest version on R-forge (1.4). That error has been fixed, and it's much faster. We hope to have that to CRAN reasonably soon.
To install, use: install.packages("data.table",repos="http://R-Forge.R-project.org") - Tom Tom Short On Thu, Apr 29, 2010 at 3:40 PM, johannes rara <johannesr...@gmail.com> wrote: > I'm trying to learn data.table package but I get a following annoying > error message: > >> install.packages("data.table") > trying URL > 'http://www.freestatistics.org/cran/bin/macosx/universal/contrib/2.10/data.table_1.2.tgz' > Content type 'application/x-gzip' length 66823 bytes (65 Kb) > opened URL > ================================================== > downloaded 65 Kb > > > The downloaded packages are in > > /var/folders/n-/n-wPTanPGa4PpVd0bTgCOU+++TI/-Tmp-//RtmppqPptG/downloaded_packages >> library(data.table) >> cr <- data.table(cars) >> cr[speed == 20] > speed dist > [1,] 20 32 > [2,] 20 48 > [3,] 20 52 > [4,] 20 56 > [5,] 20 64 > Warning messages: > 1: In `[.data.table`(cr, speed == 20) : > This R session is < 2.4.0. Please upgrade to 2.4.0+. > 2: In `[.data.table`(cr, speed == 20) : > This R session is < 2.4.0. Please upgrade to 2.4.0+. >> > > I'm using R 2.10.1 (see sessioninfo below), so why this error message > keeps popping up? > >> sessionInfo() > R version 2.10.1 (2009-12-14) > i386-apple-darwin8.11.1 > > locale: > [1] fi_FI.UTF-8/fi_FI.UTF-8/C/C/fi_FI.UTF-8/fi_FI.UTF-8 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] data.table_1.2 ref_0.97 > > loaded via a namespace (and not attached): > [1] tools_2.10.1 >> > > -J > > ______________________________________________ > 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. > ______________________________________________ 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.