Most likely there's something amiss in your csv file: R won't convert numeric data to factors unless there are non-numeric characters included.
First check your csv file for errors. If that doesn't solve your problem, please provide a reproducible example. http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example Sarah On Mon, Nov 26, 2012 at 10:59 AM, EcoFranc <rob...@gmx.de> wrote: > Hi, > > maybe somebody would be kind enough to help a bloody and unprofessional > beginner like me (and I hope I did not overlook the answer to my question on > the website). I've imported a csv data frame into R, but I can't run a > regression because R interprets 4 out of 5 variables as factors (rather than > numeric vectors). I tried the as.numeric() command, but R says it is invalid > to change the storage mode of a factor. Is there any way to change the mode > of a factor into numeric. > > I am very grateful for help. Thank you very much, Robert. > > -- Sarah Goslee http://www.functionaldiversity.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.