Thanks Duncan On Wed, Aug 31, 2011 at 9:43 AM, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > On 31/08/2011 9:41 AM, Sébastien Bihorel wrote: >> >> Hi, >> >> I thought "..2<- 1" was a correct way to modify the content of the >> 2nd level of dot-dot-dot because it did not return any error message. >> However, this appears to have no effect whatsoever on the content of >> dot-dot-dot. So, I guess I should modify my question to: is it >> possible to modify the content of dot-dot-dot by any means? > > Not from R code. You can achieve the same effect by converting it to a > list, manipulating the list, and then using do.call() to pass it on. > > Duncan Murdoch > >> Thank >> >> On Wed, Aug 31, 2011 at 9:25 AM, Sébastien Bihorel<pomc...@free.fr> >> wrote: >> > Dear R-users, >> > >> > In the R internals manual, it is said that one can extract the >> > elements of the dot-dot-dot argument using the special symbols ..1 or >> > ..2. It seems to work just fine but I was wondering if there is a way >> > one can extract or modify the content of the dot-dot-dot argument >> > using a level name instead of its position? >> > >> > For instance, assuming that list(...) returns: >> > $a >> > [1] 1 2 3 4 5 6 7 8 9 10 >> > >> > $b >> > [1] "a" "b" "c" "d" "e" "f" "g" "h" >> > >> > is there a way to modify level b without knowing that it is the second >> > level? >> > >> > Thank you >> > >> > Sebastien >> > >> >> ______________________________________________ >> 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.
