>Exactly the same question was asked, in exactly the same words, 5 days ago: >https://stat.ethz.ch/pipermail/r-help/2010-April/235337.html
Dear all, sorry for reposting. I thought my first mail had been bounced off since I could not find it online and no answers on my email account. Problem solved now. Many thanks, Will ______________________________________________ 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.
