[Numpy-discussion] NEP 32: Remove the financial functions from NumPy
warren.weckesser at gmail.com
Wed Sep 11 10:29:39 EDT 2019
On 9/9/19, D.S. McNeil <dsm054 at gmail.com> wrote:
> [coming over from the pydata post]
> I just checked about ~150KLOC of our Python code in a financial context,
> written by about twenty developers over about four years. Almost every
> function uses numpy, sometimes directly and sometimes via pandas.
> It seems like these functions were never used anywhere, and the lead dev on
> one of the projects responded "never used them; didn't even know they
> exist". I knew they existed, but even on the rare occasion I need the
> functionality I need better control over the dates, which means for
> practical purposes I need something which supports Series natively anyhow.
> As it is, they also clutter up the namespace in unfriendly ways: if there's
> going to be a top-level function called np.rate I don't think this is the
> one it should be. Admittedly that's more an argument against their current
> Although it wouldn't be useful for us, I could imagine someone finding a
> package which provides numpy-compatible versions of the many OpenFormula
> whatever the spec is called) functions helpful. Having numpy carry a tiny
> subset of them doesn't feel productive.
> +1 for removing them.
Thanks Doug, that's useful feedback.
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