[R] frequency of items

[sri vathsan]

Hi,

I have a data frame like below.
11,15,12,25
11,12
15,25
134,45,56
46
45,56
15,12
66,45,56,24,14,11,25,12,134

I want to identify the frequency of pairs/triplets or higher that occurs in
the data. Say for example, in above data the occurrence of pairs looks like
below

item     No of occurrence
11,12         3
11,25         2
15,12         2
15,25         2
.
.
45,56          3
134,45,56    2

 ....and so on

I am trying to write R code for the above and I am finding difficulty to
approach this. Looking forward some help.

Thanks!

-- 

Regards,
Srivathsan.K

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