This sort of calculation can't be vectorized; you'll have to iterate through the sequence, e.g. with a "for" loop. I don't know if a routine has already been written. -- View this message in context: http://n4.nabble.com/Count-matches-of-a-sequence-in-a-vector-tp2019018p2019108.html Sent from the R help mailing list archive at Nabble.com.
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