On Wed, Sep 30, 2009 at 2:32 PM, Ista Zahn <istaz...@gmail.com> wrote: > An extremely verbose, but (in my view) easy to understand approach is: > >> data.f <- data; data.f[which(data <= 10)] <- levs[1]; data.f[which(data > >> 10)] <- levs[2]; data.f <- factor(data.f) >
All those which()s are unnecessary. And if you're going to use this approach I'd recommend initialising data.f with NA's so you can tell if you missed any cases. Hadley -- http://had.co.nz/ ______________________________________________ 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.
