Can you use subset? subset(d, b == 4 & c == 10)
Best Ulrik On Tue, 3 May 2016 04:58 jpm miao, <miao...@gmail.com> wrote: > Is it possible? I am expecting the result to be the second row of the data > frame ... > > > d<-data.frame(a=1:3, b=3:5,c=9:11) > > d > a b c > 1 1 3 9 > 2 2 4 10 > 3 3 5 11 > > d[identical(d[c("b","c")],c(4,10)),] > [1] a b c > <0 rows> (or 0-length row.names) > > [[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. > [[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.