[R] write all the permutations of a set

[Bernd Weiss]

Am 24.03.2011 11:28, schrieb Arnau Mir:
> Hello.
>
> Somebody knows how to write in R all the permutations of a given set?
> For example, is the set is {a,b,c} I want the following:
> a,b,c
> a,c,b
> b,c,a
> b,a,c
> c,a,b
> c,b,a

library(gregmisc)
permutations(3, 3, letters[1:3])

gives

      [,1] [,2] [,3]
[1,] "a"  "b"  "c"
[2,] "a"  "c"  "b"
[3,] "b"  "a"  "c"
[4,] "b"  "c"  "a"
[5,] "c"  "a"  "b"
[6,] "c"  "b"  "a"

HTH,

Bernd