[R] Counting occurrences of a set of values
murdoch.duncan at gmail.com
Thu Sep 10 15:28:13 CEST 2015
On 10/09/2015 9:11 AM, Thomas Chesney wrote:
> Can anyone suggest a way of counting how frequently sets of values occurs in a data frame? Like table() only with sets.
Do you want 1,2,1 to be the same as 1,1,2, or different? What about
1,2,2? For sets, those are all the same, but for most purposes, they
aren't. If you really want to keep the ordering, then table() does the
counting you want, it just returns it in an ugly format.
> 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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