Hmm x[8:14] didn't work. Yes Iverson's method worked, I wanted the whole list, with 7 elements in each vector.
Now I want the whole list as well, but with the 8th to 14th element. On May 30, 7:47 pm, David Winsemius <dwinsem...@comcast.net> wrote: > On May 29, 2010, at 11:37 PM, Kang Min wrote: > > > What if I want to select the 8th to 14th element of the list? I tried > > to use "[" again, but it doesn't work. > > x[8:14] > > (And I could not get Iverson's earlier method to work properly on a > long list. It just returned the whole list. Did it work properly for > you? ) > > -- > David. > > > > > > > > >>>> "[" is a function, and you want to use it on each element of the > >>>> list, > >>>> so... > > >>>> lapply(x, "[", c(1:7)) > > >>> and the call to c() is of course not necessary, since ":" will > >>> generate a vector. > > >>> ______________________________________________ > >>> r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/ > >>> listinfo/r-help > >>> PLEASE do read the posting > >>> guidehttp://www.R-project.org/posting-guide.html > >>> and provide commented, minimal, self-contained, reproducible code. > > >>> -- > >>> You received this message because you are subscribed to the Google > >>> Groups "R-help-archive" group. > >>> To post to this group, send email to r-help- > >>> arch...@googlegroups.com. > >>> To unsubscribe from this group, send email to > >>> r-help-archive+unsubscr...@googlegroups.com > >>> . > >>> For more options, visit this group > >>> athttp://groups.google.com/group/r-help-archive?hl=en > >>> . > > >> ______________________________________________ > >> r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/ > >> listinfo/r-help > >> PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > >> and provide commented, minimal, self-contained, reproducible code. > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "R-help-archive" group. > >> To post to this group, send email to r-help-arch...@googlegroups.com. > >> To unsubscribe from this group, send email to > >> r-help-archive+unsubscr...@googlegroups.com > >> . > >> For more options, visit this group > >> athttp://groups.google.com/group/r-help-archive?hl=en > >> . > > > ______________________________________________ > > r-h...@r-project.org mailing list > >https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > David Winsemius, MD > West Hartford, CT > > ______________________________________________ > r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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.
