Yes, perfect! This I can work with. Thanks, KB
On Oct 2, 3:55 pm, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > On 11-10-02 1:11 PM, Kerry wrote: > > > I have 3 columns of data and want to plot each row as a point in a > > scatter plot and want one column to be represented as a color gradient > > (e.g. larger values being more red). Anyone know the command or > > package for this? > > It's not a particularly effective display, but here's how to do it. Use > rainbow(101) in place of rev(heat.colors(101)) if you like. > > x <- rnorm(10) > y <- rnorm(10) > z <- rnorm(10) > colors <- rev(heat.colors(101)) > zcolor <- colors[(z - min(z))/diff(range(z))*100 + 1] > plot(x,y,col=zcolor) > > Duncan Murdoch > > ______________________________________________ > r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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.