Hi, Try ifelse function.
samesex <- ifelse( sex==1 & sex1==1, yes=1, no=0) Cheers Philippe Baril Lecavalier On 2011-11-10 8:03 AM, "David ." <loove...@hotmail.com> wrote: > > Dear R-project! > > How do i create 1 dummy from 2 already existing dummys. To be more > precise, I want to create a dummy from a dummy called "sex" and another > called "sex1" when both thoose dummys are 1 I want my created dummy > "samesex" to take 1. > > Thanks for the help! > > Paulie > > [[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. > [[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.
