Mark Leeds wrote: > Hi Ricardo: I'm glad it helped but check > > regexpr("Jalapa", as.character( unidad ) ) != -1 > > because I think it should be > > regexpr("Jalapa", as.character( DF$unidad ) ) != -1 > > if unidad is a column of DF.
Checked! attach(DF) did the trick! :-) Greetings, Ricardo -- Ricardo RodrÃguez Your XEN ICT Team ______________________________________________ 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.