thank you all for the high level contributions and the very helpful feedback;
I think I have now enogh material to study for months: what a good lesson learned! cheers max -- View this message in context: http://r.789695.n4.nabble.com/Dotchart-showing-mean-and-median-by-group-tp4619597p4623526.html Sent from the R help mailing list archive at Nabble.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.
