Try this: sum.test <- function(...) sum(c(...))
More commonly one uses the list(...) construct. On Mon, Mar 9, 2009 at 11:32 AM, Sean Zhang <seane...@gmail.com> wrote: > Dear R-helpers: > I am an R newbie and have a question related to writing functions that > accept unlimited number of input arguments. > (I tried to peek into functions such as paste and cbind, but failed, I > cannot see their codes..) > > Can someone kindly show me through a summation example? > Say, we have input scalar, 1 2 3 4 5 > then the ideal function, say sum.test, can do > (1+2+3+4+5)==sum.test(1,2,3,4,5) > > Also sum.test can work as the number of input scalar changes. > > Many thanks in advance! > > -sean > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > ______________________________________________ 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.
