> unsplit(x, f) [1] 7 2 6 13 5 9 1 14 15 4 8 12 10 11 3 Is more general (works if the subgroups are imbalanced), and hopefully more sexy as well :-)
Best, -Deepayan On Fri, 27 Sept 2024 at 10:11, Bert Gunter <bgunter.4...@gmail.com> wrote: > ... And, in fact, I just realized that > > c(do.call(rbind, x)) > > is even better. > > -- Bert > > > On Thu, Sep 26, 2024 at 9:26 PM Bert Gunter <bgunter.4...@gmail.com> > wrote: > > > Sorry, hit send by accident. > > The 2-line version is: > > > > x <- do.call(rbind, x) > > dim(x) <- NULL > > > > Cheers, > > Bert > > > > On Thu, Sep 26, 2024 at 9:23 PM Bert Gunter <bgunter.4...@gmail.com> > > wrote: > > > >> How about: > >> as.vector(do.call(rbind,x)) > >> > >> Cheers, > >> Bert > >> > >> > >> > >> > >> However, I much prefer a 2 line version: > >> > >> On Thu, Sep 26, 2024 at 8:56 PM Rolf Turner <rolftur...@posteo.net> > >> wrote: > >> > >>> > >>> I have (toy example): > >>> > >>> x <- list(`1` = c(7, 13, 1, 4, 10), > >>> `2` = c(2, 5, 14, 8, 11), > >>> `3` = c(6, 9, 15, 12, 3)) > >>> and > >>> > >>> f <- factor(rep(1:3,5)) > >>> > >>> I want to create a vector v of length 15 such that the entries of v, > >>> corresponding to level l of f are the entries of x[[l]]. I.e. I want > >>> v to equal > >>> > >>> c(7, 2, 6, 13, 5, 9, 1, 14, 15, 4, 8, 12, 10, 11, 3) > >>> > >>> I can create v "easily enough", using say, a for-loop. It seems to me, > >>> though, that there should be sexier (single command) way of achieving > >>> the desired result. However I cannot devise one. > >>> > >>> Can anyone point me in the right direction? Thanks. > >>> > >>> cheers, > >>> > >>> Rolf Turner > >>> > >>> -- > >>> Honorary Research Fellow > >>> Department of Statistics > >>> University of Auckland > >>> Stats. Dep't. (secretaries) phone: > >>> +64-9-373-7599 ext. 89622 > >>> Home phone: +64-9-480-4619 > >>> > >>> ______________________________________________ > >>> 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 > >>> https://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 > https://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 https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
