[SciPy-Dev] ENH: (Stats) Studentized Range Distribution

[Dominic C.]

Hi all,

We've implemented the studentized range distribution to support the
upcoming addition of Tukey's HSD test. We used Cython and SciPy's
LowLevelCallables to speed up the integration of its CDF,  PDF, and
moments, and the integrands are logarithmized to make it robust to inputs
over several orders of magnitude. Accuracy is tested against tabulated
values, R's ptukey, and a slow but accurate implementation in mpmath. If
you're interested, please come take a look at
https://github.com/scipy/scipy/pull/13732.
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