Hi arun kirshna just let me ask you something else.
Imagin that i only want to "search" in the variables x3,x4 and x5. How can i do this? Regards, Bruno -- View this message in context: http://r.789695.n4.nabble.com/ifelse-reformulation-tp4645981p4646013.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.