8000 Add statistics recipe for sampling from an estimated probability density distribution by rhettinger · Pull Request #117221 · python/cpython · GitHub
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Add statistics recipe for sampling from an estimated probability density distribution #117221

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Merged
merged 16 commits into from
Mar 27, 2024
Merged

Add statistics recipe for sampling from an estimated probability density distribution #117221

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72a2d74
kde_random() recipe
rhettinger Mar 25, 2024
4117a61
Tweak markup and wording
rhettinger Mar 25, 2024
4bd19c9
The aliases are visual clutter and not essential to the recipe.
rhettinger Mar 26, 2024
211836c
Add invcdf() / cdf() round trip tests
rhettinger Mar 26, 2024
6f0aafc
.
rhettinger Mar 26, 2024
e2c8d1c
Improve docstring
rhettinger Mar 26, 2024
4fbfdfa
Merge branch 'main' into kde_rand_recipe
rhettinger Mar 26, 2024
7ac2b83
More direct description of the recipe
rhettinger Mar 26, 2024
4398863
Tighter wording
rhettinger Mar 26, 2024
e827d8a
Separate core logic from formatting in the example
rhettinger Mar 26, 2024
d30e554
Moving seeding to just before calling rand()
rhettinger Mar 26, 2024
2a570d9
Remove spurious closing paren
rhettinger Mar 27, 2024
d17e698
More brief section title
rhettinger Mar 27, 2024
a56b108
choice() and random() do not commute
rhettinger Mar 27, 2024
02ed395
Fix typo
rhettinger Mar 27, 2024
d3e0e40
Merge branch 'main' into kde_rand_recipe
rhettinger Mar 27, 2024
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Separate core logic from formatting in the example
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@rhettinger
rhettinger committed Mar 26, 2024
commit e827d8a549da6566b2862c7a7d086b73a8582fa0
5 changes: 3 additions & 2 deletions Doc/library/statistics.rst
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Expand Up @@ -1187,9 +1187,10 @@ For example:
.. doctest::

>>> discrete_samples = [-2.1, -1.3, -0.4, 1.9, 5.1, 6.2]
>>> rand = kde_random(discrete_samples, h=1.5)
>>> seed(8675309)
>>> [round(rand(), 1) for i in range(10)]
>>> rand = kde_random(discrete_samples, h=1.5)
>>> selections = [rand() for i in range(10)]
>>> [round(x, 1) for x in selections)]
[0.7, 6.2, 1.2, 6.9, 7.0, 1.8, 2.5, -0.5, -1.8, 5.6]

.. testcode::
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