On 6/28/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > I would like to add a reference line to lattice graphs, with the reference > line > being different according to the factor level. > > Example : Draw 3 dotplots for "a","b" and "c" factors, and then add an > horizontal line at y=10 for panel "a", y=8 for panel "b" and y=6 for panel "4"
It's quite easy to do this with ggplot2 (http://had.co.nz/ggplot2) - see http://had.co.nz/ggplot2/geom_vline.html for examples of both common and specific reference lines. Hadley ______________________________________________ R-help@stat.math.ethz.ch 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.
