[BioPython] calculate F-Statistics from SNP data

Tiago Antão tiagoantao at gmail.com
Wed Oct 22 16:03:59 UTC 2008


On Wed, Oct 22, 2008 at 11:34 AM, Peter <biopython at maubp.freeserve.co.uk> wrote:
> I have not looked at the specifics here, but adopting an iterator
> approach might make sense - returning the entries one by one as parsed
> from the file.  This is the idea for the Bio.SeqIO and Bio.AlignIO
> parsers.  The user can then turn the entries into a list (if they have
> enough memory), filter them as the arrive, etc.  For example, you
> could compile a list of only those desired population entries,
> discarding the others on the fly.

I will have look at iterators in Python. This idea from Giovannni is
actually floating around with current users for GenePop data which
have exactly the same problem (loooong records).



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