Am 11.08.2012, 01:18 Uhr, schrieb Rui Barradas <ruipbarra...@sapo.pt>:
[...] The solution is obviously to write 'for', with lowercase 'f'. Hope this helps,
Dear Mr Barradas, indeed it did help, thank you very much! Best regards Holger van Lishaut ______________________________________________ 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.