On Thu, Jun 25, 2009 at 2:55 PM, Gabor Grothendieck <ggrothendi...@gmail.com > wrote:
> It works for me. Try a more recent version of R. Good to see that it is fixed in 2.9.1. I am using the latest release and am going to wait till 2.9.1 is released. Thanks, Rainer > > > a <- c("PR", "NC", "A2", "BS") > > b <- c(1, 0.5, 0.25, 0.125, 0.0625, 0.03125) > > > > class(expand.grid(a, b, stringsAsFactors=FALSE)[[1]]) > [1] "character" > > class(expand.grid(a, b, stringsAsFactors=TRUE)[[1]]) > [1] "factor" > > > R.version.string > [1] "R version 2.9.1 RC (2009-06-19 r48804)" > > > On Thu, Jun 25, 2009 at 7:21 AM, Rainer M Krug<r.m.k...@gmail.com> wrote: > > Hi > > > > I have the feeling, that the argument stringsAsFactors has no impact in > the > > function expand.grid: > > > > a <- c("PR", "NC", "A2", "BS") > > b <- c(1, 0.5, 0.25, 0.125, 0.0625, 0.03125) > > > > class(expand.grid(css, fscs, stringsAsFactors=FALSE)[[1]]) > > [1] "factor" > > class(expand.grid(css, fscs, stringsAsFactors=TRUE)[[1]]) > > [1] "factor" > > > > Also, when I look at the code of expand.grid, stringsAsFactors does not > > occur in the code. > > > > Am I missing something? > > > >> version > > _ > > platform i486-pc-linux-gnu > > arch i486 > > os linux-gnu > > system i486, linux-gnu > > status > > major 2 > > minor 9.0 > > year 2009 > > month 04 > > day 17 > > svn rev 48333 > > language R > > version.string R version 2.9.0 (2009-04-17) > > > > Cheers, > > > > Rainer > > -- > > Rainer M. Krug, Centre of Excellence for Invasion Biology, Stellenbosch > > University, South Africa > > > > [[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. > > > -- Rainer M. Krug, Centre of Excellence for Invasion Biology, Stellenbosch University, South Africa [[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.