@Martin Morgan, Duncan Murdoch: OK Thanks. I did not understand the callNextMethod. I will investigate this in detail. This is great!
Thanks again, Michael Meyer ______________________________________________ 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.
