On Jul 2, 2009, at 10:20 PM, Ivo Shterev wrote:
a = list(diag(3), diag(3), diag(3))
a = list(diag(3), diag(3), diag(3)) > sum(unlist(a)) [1] 9 David Winsemius, MD Heritage Laboratories West Hartford, CT ______________________________________________ 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.