The xyplot help page covers several lattice plots and states that with the exception of xyplot the formula can have the form x ~ y | c. I need to generate x-y plots for only one of two levels of a conditioning factor. What is the recommended way to do this?
Rich ______________________________________________ [email protected] 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.
