[R] How to count the overlapped in two vectors

[Julian Burgos]

See
?match

ss wrote:
> Dear list,
> 
> If I have two vector, t1 and t2, of different lengths.  Is there an easy way
> to count
> the number of the overlapped in two vectors and show the result in the
> graph?
> 
> Thanks much,
> 
> Alex
> 
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> 
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