[R] getting all pairwise combinations of elements in a character string

[Levi Waldron]

I like both of these solutions much better - thank you!
-Levi

-- 
Levi Waldron
post-doctoral fellow
Jurisica Lab, Ontario Cancer Institute
Division of Signaling Biology
IBM Life Sciences Discovery Centre
TMDT 9-304D
101 College Street
Toronto, Ontario M5G 1L7