[R] combinatorics

[Robin Hankin]

Hi

How do I generate all ways of ordering  sets of indistinguishable items?

suppose I have two A's, two B's and a C.

Then I want

AABBC
AABCB
AACBC
ABABC
. . .snip...
BBAAC
. . .snip...
CBBAA

[there are 5!/(2!*2!) = 30 arrangements.  Note AABBC != BBAAC]

How do I do this?





--
Robin Hankin
Uncertainty Analyst
National Oceanography Centre, Southampton
European Way, Southampton SO14 3ZH, UK
  tel  023-8059-7743