Dear Uwe Sorry for not included the data, but even as that, it worked!!!!!
Thank you very much for your unvaluable time and effort Cheers Javier Cano -- View this message in context: http://www.nabble.com/How-to-pass-a-character-argument-which-contains-expressions-to-names.arg-in-barplot--tp24630656p24651375.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.