> You are right that various arithmetic operators map a pair of integer > arguments to various type: the power and division operators map them to > double precision while the the addition, multiplication, and subtraction > operators map them to integer results (giving NA's if the result cannot fit > into 32 bits). Ah, ok, _that_ explains it, thanks a lot, I did not know that, which is why it never occurred to me to check str(m1)!
> As for table(table(x)) being an unnatural construct, I use it all the time > instead of anyDuplicated to see the pattern of duplications. Thanks for this, too. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.