These are warnings and I think that you can safely ignore them. It looks like the code should replace the lineif (x$datamean) with something like if (!is.null(x$datamean))
Yes, I think so too - thanks for reporting this. David ______________________________________________ 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.
