Thanks Prof. Ripley! I knew it would be something simple - I'd missed the "\t" from the read.table command! I won't be doing that again...!!
Thanks again, Steve ______________________________________________ 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.
