Dear Marc, Your answer on post https://stat.ethz.ch/pipermail/r-help/2005-March/067634.html has a broken link.
Thank you, W ______________________________________________ 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.
