On 17 Nov 2006, at 14:14, Peter Dalgaard wrote: [snip]
> > so a+b+c is really (a+b)+c and I was calculating a+(b+c). That's > actually a little bit harder because you don't get help from argument > matching: > > "++" <- function(...) if ((n <- nargs()) == 1) ..1 else { > l <- list(...) > do.call("++",l[-n]) + l[[n]] > } > Aha, the dreaded "..1" argument. Where do I look for documentation on this? [It is mentioned twice in The R Language Definition, but I'm no wiser] -- Robin Hankin Uncertainty Analyst National Oceanography Centre, Southampton European Way, Southampton SO14 3ZH, UK tel 023-8059-7743 ______________________________________________ R-help@stat.math.ethz.ch 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.