On Thu, 7 May 2015, Bert Gunter wrote:
See e.g. Chapter 10.4 in the "Intro to R Tutorial" on the "..." argument.
Bert, Thanks. That was going to be my next step. Much appreciated, Rich ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.