On Thu, 22 Sep 2011, David Winsemius wrote:
Scatterplots are for two variables with continuous valued data. You are asking about one such variable, apparently within some combination of groups of discrete variables. Look at dotplot or bwplot examples.
David, Good catch. Point noted. Thanks, Rich ______________________________________________ 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.