Question: Expected value of finding a sequence

0

Tim Smith •

**1.1k**wrote:Hi,
I was looking to find a package/function that would calculate the
expected value/frequency of finding a subsequence, within a sequence
of length L.
For example, assuming that all nucleotides are equally probable, how
many times would we expect to find the pattern 'ATTG' in a sequence of
length = 20.
I tried looking in biostrings and IRanges, but didn't find what I was
looking for.
many thanks!
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