You're missing a comma, this should fix it df[(df$Y>0.2) & (df$X<10),][2, ]
On Thu, Oct 14, 2021, 03:51 Luigi Marongiu <marongiu.lu...@gmail.com> wrote: > Hello, > I have selected a subset of a dataframe with the vector syntax (if > this is the name): > ``` > > df[(df$Y>0.2) & (df$X<10),] > Y X > 10 0.2200642 1.591589 > 13 0.2941828 1.485951 > ``` > How can I select only the second row? I only managed to get the whole > of whole columns: > ``` > > df[(df$Y>0.2) & (df$X<10),2] > [1] 1.591589 1.485951 > > df[(df$Y>0.2) & (df$X<10),][2] > X > 10 1.591589 > 13 1.485951 > > df[(df$Y>0.2) & (df$X<10),][1] > Y > 10 0.2200642 > 13 0.2941828 > ``` > Thank you > > ______________________________________________ > 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.
