Hi Rod, How about this? scenarios <- expand.grid(A = c("pass", "fail"), B = c("pass", "fail"), C = c("pass", "fail"), D = c("pass", "fail"), E = c("pass", "fail")) scenarios$F<-ifelse(scenarios$E=="pass","fail","pass")
Jim On Thu, Aug 2, 2018 at 11:20 AM, R Stafford <rod.staff...@gmail.com> wrote: > I have 6 variables, (A,B,C,D,E,F) that can either pass or fail (i.e., true > or false). > I can get a table of all pass/fail combinations with this: > > scenarios <- expand.grid(A = c("pass", "fail"), B = c("pass", "fail"), C = > c("pass", "fail"), D = c("pass", "fail"), E = c("pass", "fail"), F = > c("pass", "fail")) > > But I have the extra condition that if E is true, then F must be false, and > vice versa, so what I don't know is how to get all combinations when E and F > are mutually exclusive. > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.