> x <- array(1:18, dim=c(3, 2, 3)) > x , , 1 [,1] [,2] [1,] 1 4 [2,] 2 5 [3,] 3 6
, , 2 [,1] [,2] [1,] 7 10 [2,] 8 11 [3,] 9 12 , , 3 [,1] [,2] [1,] 13 16 [2,] 14 17 [3,] 15 18 > apply(x, 3, t) [,1] [,2] [,3] [1,] 1 7 13 [2,] 4 10 16 [3,] 2 8 14 [4,] 5 11 17 [5,] 3 9 15 [6,] 6 12 18 On Tue, Oct 20, 2015 at 12:39 PM, Chunyu Dong <dongchunyu2...@163.com> wrote: > Hello! > > > Recently I am trying to transfer a large 3-dimensional array to a matrix. > For example, a array like: > , , 1 > [,1] [,2] > [1,] 1 4 > [2,] 2 5 > [3,] 3 6 > , , 2 > [,1] [,2] > [1,] 7 10 > [2,] 8 11 > [3,] 9 12 > , , 3 > [,1] [,2] > [1,] 13 16 > [2,] 14 17 > [3,] 15 18 > > > I would like to transfer it to a matrix like: > 1 7 13 > 4 10 16 > 2 8 14 > 5 11 17 > 3 9 15 > 6 12 18 > > > Could you tell me how to do it in R ? Thank you very much! > > > Best regards, > Chunyu > > > > > > [[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. > [[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.