It works for me. Perhaps you could make the line thicker. abline(h = 4, col = "red", lwd = 3)
On 10/19/07, Klaus Friis Østergaard <[EMAIL PROTECTED]> wrote: > > > 2007/10/19, Gabor Grothendieck <[EMAIL PROTECTED]>: > > Try this: > > > > boxplot(1:10) > > abline(h = 4, col = "red") > > Have tried it, I only get the boxplot, no red line. > > It works on the plotte images. > > That is why I asked the question here on the list. > > > > -- > > Klaus F. Østergaard, <farremosen(at)gmail dot com> ______________________________________________ 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.