[issue37905] Remove NormalDist.overlap() or improve documentation?

Raymond Hettinger added the comment: BTW, I get your concern about the statistics module as a whole. From the point of view of an expert numpy/scipy user, the whole module seems pointless. However, the purpose of the module is to put a useful subset of statistical tools into the hands of

[issue37905] Remove NormalDist.overlap() or improve documentation?

Raymond Hettinger added the comment: Several thoughts: * OVL was used often in the finance firm where I worked. * It provides a simple, easy to understand point estimate of the similarity or overlap between two PDFs. * It was far easier to use than a Students-t test to answer the question

[issue37905] Remove NormalDist.overlap() or improve documentation?

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[issue37905] Remove NormalDist.overlap() or improve documentation?

Christoph Deil added the comment: The Monte Carlo example here has completely unstable results: https://github.com/python/cpython/commit/cc353a0cd95d9b0c93ed0b60ba762427a94c790d#diff-d436928bc44b5d7c40a8047840f55d35R633 If you run it multiple times, you will see that `mean` is relatively

[issue37905] Remove NormalDist.overlap() or improve documentation?

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[issue37905] Remove NormalDist.overlap() or improve documentation?

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[issue37905] Remove NormalDist.overlap() or improve documentation?

New submission from Christoph Deil : I saw that Python 3.8 will add a NormalDist class: https://docs.python.org/3.8/library/statistics.html#normaldist-objects Personally I don't see the value of adding this to the Python standard lib. The natural progression would be to extend and extend, but