Re: [R] Choose every second value

riginal Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Walther, Alexander > Sent: Sunday, January 17, 2010 4:20 AM > To: r-help@r-project.org > Subject: [R] Choose every second value > > Dear list, > > is there a comm

Re: [R] Choose every second value

Instead of making two vectors, you might want to just have one matrix with two rows: amat <- matrix(a, nrow=2) Then you can do: amat[1,] amat[2,] Patrick Burns patr...@burns-stat.com +44 (0)20 8525 0696 http://www.burns-stat.com (home of "The R Inferno" and "A Guide for the Unwilling S User"

Re: [R] Choose every second value

try this: a <- c(1,2,3,4,5,6) n <- length(a) a[seq(1, n, 2)] a[seq(2, n, 2)] I hope it helps. Best, Dimitris Walther, Alexander wrote: Dear list, is there a command that selects every second value from a given vector? For instance, a <- c(1,2,3,4,5,6) should yield 1,3,5 and 2,4,6 wh

[R] Choose every second value

Dear list, is there a command that selects every second value from a given vector? For instance, a <- c(1,2,3,4,5,6) should yield 1,3,5 and 2,4,6 which i intend to place into two seperate vectors. best Alex __ R-help@r-project.org mailing list