[R] Counting occurrences of a set of values

[Fox, John]

Dear Thomas,

How about this?

> table(apply(Data, 1, paste, collapse=","))

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

I hope this helps,
 John

> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Thomas
> Chesney
> Sent: September 10, 2015 9:11 AM
> To: r-help at r-project.org
> Subject: [R] Counting occurrences of a set of values
> 
> 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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