[R] breaking up n object into random groups

statfan irene_vrbik at hotmail.com
Fri Dec 2 16:09:21 CET 2011

say n = 100
I want to partition this into 4 random groups wheren n1 + n2 + n3 + n4 = n
and ni is the number of elements in group i.

Thank you for you help

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