There are many good R tutorials on the web. Some recommendations can be found here:
https://www.rstudio.com/online-learning/#R Please spend some time learning fundamental R constructs and functionality before posting what appear to be very basic questions here. Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Mon, Sep 19, 2016 at 8:37 PM, John <miao...@gmail.com> wrote: > Hi, > > I have the following dataframe: > >> temp<-data.frame(a=c(1,1,2), b=2:4, c=1:3) >> row.names(temp)<-c("D", "E", "F") >> temp > a b c > D 1 2 1 > E 1 3 2 > F 2 4 3 > > I would like R to tell me which rows has value "a" equal to 1. The > answer is the first row and the second row, or row D and row E. Which > function should i use? function subset? function which? > > Thanks! > > [[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.
