> sapply(test, '[[', 1) a b c 1 3 5 -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Jannis > Sent: Wednesday, January 12, 2011 1:50 PM > To: r-help@r-project.org > Subject: [R] navigating in lists > > Dear list members, > > > I am stuck with navigating in a rather complicated list object. > > In general I would need a solution to access all first (or other) > elements of the different sublists in one list: > > test=list(a=list(1,2),b=list(3,4),c=list(5,6)) > > like: > > test[[1:3]][[1]] > > which should result in > > c(1,3,5) > > > Is there any way to access lists in such a way? Using unlist would > create quite complicated objects.... > > Cheers > Jannis > > > > ______________________________________________ > 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. ______________________________________________ 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.
