Excellent! That did the trick. Thank you very much. On Thu, Jan 14, 2010 at 5:27 PM, Henrique Dallazuanna <www...@gmail.com>wrote:
> Try this: > > lapply(l, '[', 1, 1) > > > On Thu, Jan 14, 2010 at 2:22 PM, Hubert Colt <hubert.c...@gmail.com> > wrote: > > Hi, > > > > Apologies in advance for the basic nature of my question. I am still very > > much a rookie when it comes to R. Having googled it, checked Nabble and > > trial/error to the best of my ability, I have yet to find an easy > solution. > > > > I am currently working with a list of 5x5 matrices, and want to extract a > > list consisting of the first number of each matrix. > > > > In other words I want to go from: > > > > [[1]] > > [,1] [,2] [,3] [,4] [,5] > > [1,] a X X X > X > > [2,] X X X X > X > > [3,] X X X X > X > > [4,] X X X X > X > > [5,] X X X X > X > > > > [[2]] > > [,1] [,2] [,3] [,4] [,5] > > [1,] b X X X > X > > [2,] X X X X > X > > [3,] X X X X > X > > [4,] X X X X > X > > [5,] X X X X > X > > > > etc. > > > > to a new list: > > > > [,1] > > [[1]] a > > [[2]] b > > > > etc. > > > > Any help will be greatly appreciated. > > > > -Hubert > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > 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<http://www.r-project.org/posting-guide.html> > > and provide commented, minimal, self-contained, reproducible code. > > > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > [[alternative HTML version deleted]]
______________________________________________ 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.
