Could it be you have "factor" redefined in your workspace? Have you tried it in a clean directory? I.e. a directory where no .RData exists?
On Mon, Nov 16, 2009 at 5:07 AM, A Singh <aditi.si...@bristol.ac.uk> wrote: > Oh, strange! > > I thought it might be a problem with the 'base' package installation, > because the same thing's worked for me too before but won't do now. > > I tried to reinstall it (base), but R says its there already which I > expected it to be anyway. > > I don't quite know where the issue is. Very odd. > > > --On 16 November 2009 04:59 -0800 Sundar Dorai-Raj <sdorai...@gmail.com> > wrote: > >> Works for me: >> >> x <- >> read.csv(url("http://dc170.4shared.com/download/153147281/a5c78386/Testvc >> omp10.csv?tsid=20091116-075223-c3093ab0")) names(x) >> x[2:13] <- lapply(x[2:13], factor) >> >>> levels(x$P1L55) >> >> [1] "0" "1" >>> >>> is.factor(x$P1L96) >> >> [1] TRUE >> >>> sessionInfo() >> >> R version 2.10.0 (2009-10-26) >> i386-apple-darwin9.8.0 >> >> locale: >> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 >> >> attached base packages: >> [1] stats graphics grDevices utils datasets methods base >> >> other attached packages: >> [1] lattice_0.17-26 >> >> loaded via a namespace (and not attached): >> [1] grid_2.10.0 tools_2.10.0 >> >> On Mon, Nov 16, 2009 at 4:50 AM, A Singh <aditi.si...@bristol.ac.uk> >> wrote: >>> >>> Sorry, my file is at: >>> >>> >>> http://www.4shared.com/file/153147281/a5c78386/Testvcomp10.html >>> >>> >>> ---------------------- >>> A Singh >>> aditi.si...@bristol.ac.uk >>> School of Biological Sciences >>> University of Bristol >>> >>> ______________________________________________ >>> 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. >>> > > > > ---------------------- > A Singh > aditi.si...@bristol.ac.uk > School of Biological Sciences > University of Bristol > > > > > ______________________________________________ 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.