About time for you to adjust your expectations... looks right to me from both a mathematical sense and as the functions are designed. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
On June 1, 2014 11:57:42 PM PDT, "Raphael Päbst" <raphael.pae...@gmail.com> wrote: >Hello everyone, I have a question which is probably rooted in my lack >of understanding when it comes to math. > >I just did the following: > >v <- c(1:20) >w <- c(11:30) >setdiff(v, w) > >and got: >1 2 3 4 5 6 7 8 9 10 > >Then I did the following: >setdiff(w, v) >and got, not surprisingly: >21 22 23 24 25 26 27 28 29 30 > >Now I was originally expecting to get bot with the first call of >setdiff(v, w) and couldn't find any reason not to expect this from >?setdiff() > >Am I missing somethin vital here or does setdiff() always give me the >elements of the first set that are not in the second one and not those >which are exclusive to either one, just dropping the ones in the >intersection of both sets? > >Many Thanks in advance > >Raphael > >______________________________________________ >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.