>>>>> "Valentin" == Valentin Bellassen <[EMAIL PROTECTED]> writes:
> Hello, I have a data frame with 3 vectors $x, $y, and > $type. I would like to plot $x~$y and having different > colors for the corresponding points, one for each level of > $type. Would someone know how to do that? Is it possible to > then generate a legend automatically? If type is a factor, you can use it as.numeric: plot(x ~ y, data, col=as.numeric(type)) legend(..., col=as.numeric(data$type)) Mike ______________________________________________ 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.