>>>>> "John" == John Kane <[EMAIL PROTECTED]> >>>>> on Sun, 17 Sep 2006 12:10:19 -0400 (EDT) writes:
John> --- Finosaur <[EMAIL PROTECTED]> wrote: >> I am given a data frame, which actually contains a >> matrix. But I need to convert the data frame into a >> matrix so that I can use the matrix operators. Can >> anybody help me out? Thanks a lot. >> >> >> Thaleia John> d <- as.matrix(data.frame) It's (almost always) better to use Dimitri's suggestion, data.matrix(), since that also produces a numeric matrix when the data frame contains factors. Martin ______________________________________________ R-help@stat.math.ethz.ch 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.