[Numpy-discussion] add xirr to numpy financial functions?
Mon May 25 22:33:13 CDT 2009
On May 25, 2009, at 9:15 PM, Matt Knox wrote:
> <josef.pktd <at> gmail.com> writes:
>> So, while python won't get any "industrial strength" finance package,
>> a more modest "designer package" would be feasible, if there were any
>> interest in it (which I haven't seen).
>> The even more modest question is whether we would want to match open
>> office in it's finance part.
>> These are pretty different use cases from those use cases where you
>> have quantlib all set up and running.
> As you have hinted, the scope of what will/should be covered with
> financial functions needs to be defined better before putting more
> functions into numpy. If that scope turns out to be something
> comparable to
> what excel or openoffice offers, that's fine, but I think a
> maturation period
> outside the numpy core (in the form of a scikit or otherwise) would
> be still
> be a good idea to avoid getting stuck with a poorly thought out API.
+1 for a maturation period outside the numpy core.
> As for my personal feelings on how much financial functionality
> should offer... I would agree that QuantLib-like functionality is
> far beyond
> what numpy can/should try to achieve. More basic functionality like
> or Excel probably seems about right. Although maybe it is more
> appropriate for
> scipy than numpy.
+1 for something outside numpy. Even OpenOffice or Excel financial
capability might, perhaps, go into scipy, but why not have it optional?
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