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
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