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mvpa2.misc.support.xunique_combinations

mvpa2.misc.support.xunique_combinations(L, n)

Generator of unique combinations form a list L of objects in groups of size n.

Parameters :

L : list

list of unique ids

n : int

grouping size

Adopted from Li Daobing :

http://code.activestate.com/recipes/190465/ :

(MIT license, according to activestate.com’s policy) :

Also good discussions on combinations/variations/permutations :

with various implementations are available at :

http://mail.python.org/pipermail/python-list/2004-October/286054.html :