> >> example. Furthermore in my example no unwanted format occurred. You can > > Yes because data.frame was (luckily) numeric. >
Luck has nothing to do with this. I Chose this example on purpose … Stéphane ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
