On Wed, Jan 12, 2011 at 9:33 PM, John Sorkin <jsor...@grecc.umaryland.edu> wrote: > I would like to plot 3-dimensional data on a two-dimensional scatter-plot. > Is there a way I can automatically modify the plot symbol (e.g. changing size > or color) to indicate the value of a third variable? E.g. How can I plot > weight vs. age and indicate the value of muscle mass for each value > weight-age pair by making the plot point proportional to the subject's muscle > mass?
Check out: http://flowingdata.com/2010/11/23/how-to-make-bubble-charts/ -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ 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.
