On Fri, 14 Oct 2016, Rich Shepard wrote:
So typing ?xyplot at the console doesn't bring up a help page? That would imply that you need to reinstall R.
Will rebuild and re-install tomorrow morning.
Sigh. User error. I entered the string as a function, e.g., ?xyplot() rather than by its name. When entered correctly the help page appears. Apologies, 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.