Thanks Jim. It works almost exactly like I wanted, I only had to make shape size variable:
points(sandwich1,cex=sandwich1$p) Best regards, Artur [[alternative HTML version deleted]] ______________________________________________ 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.