On Fri, Oct 3, 2008 at 2:10 PM, kerfuffle <[EMAIL PROTECTED]> wrote: > > hi folks, > > this is driving me up the wall. Apologies for posting twice in the same > week, I'm writing up a thesis. I wish to color-code some dots in an xy > plot. I've got a csv file with various elements, one of which is the > color-key (with the header 'color'). If the color-key is decimal (eg. > 1,2,3) then I can use > plot (X ~ Y, col=data$color)
You might want to try using ggplot2 instead: install.packages("ggplot2") library(ggplot2) qplot(Y, X, data=data, colour = color) That will automatically pick a nice colour scale for you and draw a legend. You can see some examples of http://had.co.nz/ggplot2/geom_point.html 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.