Please delete this thread https://stat.ethz.ch/pipermail/r-help/2011-December/298414.html
I already solved this problem and I forgot my login information so I am unable to login and delete this thread. Sincerely Sudhi [[alternative HTML version deleted]] ______________________________________________ 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.