[R] Counting occurrences of a set of values

Thomas Chesney Thomas.Chesney at nottingham.ac.uk
Thu Sep 10 15:11:24 CEST 2015

Can anyone suggest a way of counting how frequently sets of values occurs in a data frame? Like table() only with sets.

So for a dataset:

V1, V2, V3
1, 2, 1
1, 3, 2
1, 2, 1
1, 1, 1

The output would be something like:

1,2,1: 2
1,3,2: 1
1,1,1: 1

Thank you,

Thomas Chesney

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