Serhiy Storchaka
2602d8ae98
gh-71339: Use new assertion methods in tests (GH-129046)
2025-05-22 13:17:22 +03:00
Wulian
94036e43a8
Fix typos in comments ( #123201 )
2024-08-21 12:49:23 +00:00
Serhiy Storchaka
1a0c7b9ba4
gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907)
2024-07-19 08:06:02 +00:00
Raymond Hettinger
41554ef0e0
Stronger tests for the statistics kernel formulas (gh-120506)
2024-06-14 10:21:35 -05:00
Raymond Hettinger
e378dc15b5
Refactor (mostly rearrange) the statistics module (gh-119930)
2024-06-01 22:07:46 -05:00
Raymond Hettinger
ce2ea7d629
Minor speed/accuracy improvement for kde() (gh-119910)
2024-06-01 10:49:14 -05:00
Kirill Podoprigora
027e6d88fb
[tests]: Mark `test_statistics.test_kde_random with a requires_resource('cpu')` decorator ( #118801 )
...
Mark test_kde_random with a requires_resource('cpu') decorator
2024-05-09 11:16:37 +03:00
Raymond Hettinger
5092ea238e
Fix negative bandwidth test and add online code path test. (gh-118600)
2024-05-05 12:29:23 -05:00
Raymond Hettinger
fd0ea63f82
Minor edit: Simplify and tighten the distribution test (gh-118585)
...
Simplify and tighten the distribution test
2024-05-05 01:35:06 -05:00
Raymond Hettinger
42dc5b4ace
gh-115532 Add kde_random() to the statistic module ( #118210 )
2024-05-03 23:13:36 -05:00
Raymond Hettinger
a1e948edba
Add cumulative option for the new statistics.kde() function. ( #117033 )
2024-03-24 04:35:58 -05:00
Raymond Hettinger
6d34eb0e36
gh-115532: Add kernel density estimation to the statistics module (gh-115863)
2024-02-25 17:46:47 -06:00
Raymond Hettinger
f3bff4ee9d
gh-112540: Support zero inputs in geometric_mean() (gh-112880)
2023-12-08 12:05:56 -06:00
Raymond Hettinger
62405c7867
gh-110150: Fix base case handling in quantiles() (gh-110151)
2023-09-30 23:35:54 -05:00
Serhiy Storchaka
b9831e5c98
Use unittest test runner for doctests in test_statistics (GH-108921)
2023-09-07 23:08:55 +03:00
Serhiy Storchaka
f3ba0a74cd
gh-108416: Mark slow test methods with @requires_resource('cpu') (GH-108421)
...
Only mark tests which spend significant system or user time,
by itself or in subprocesses.
2023-09-02 07:45:34 +03:00
Raymond Hettinger
52e0797f8e
Extend _sqrtprod() to cover the full range of inputs. Add tests. (GH-107855)
2023-08-11 11:19:19 -05:00
Raymond Hettinger
457e4d1a51
GH-102670: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions (GH-102649)
2023-03-13 20:06:43 -05:00
Nikita Sobolev
bef9efabc3
GH-99155: Fix NormalDist pickle with 0 and 1 protocols (GH99156)
2022-11-06 20:56:41 -06:00
Raymond Hettinger
29c8f80760
GH-95861: Add support for Spearman's rank correlation coefficient (GH-95863)
2022-08-18 13:48:27 -05:00
Raymond Hettinger
4395ff1e6a
Statistics inv_cdf sync with corresponding random module normal distributions ( #95265 )
2022-07-26 02:23:33 -05:00
Raymond Hettinger
e01eeb7b4b
Fix inconsistent return type for statistics median_grouped() gh-92531 ( #92533 )
2022-05-09 02:08:41 -05:00
Raymond Hettinger
5212cbc261
Clean-up and simplify median_grouped(). Vastly improve its docstring. ( #92324 )
2022-05-05 03:01:07 -05:00
Raymond Hettinger
a39f46afde
bpo-45876: Correctly rounded stdev() and pstdev() for the Decimal case (GH-29828)
2021-11-30 18:20:08 -06:00
Raymond Hettinger
af9ee57b96
bpo-45876: Improve accuracy for stdev() and pstdev() in statistics (GH-29736)
...
* Inlined code from variance functions
* Added helper functions for the float square root of a fraction
* Call helper functions
* Add blurb
* Fix over-specified test
* Add a test for the _sqrt_frac() helper function
* Increase the tested range
* Add type hints to the internal function.
* Fix test for correct rounding
* Simplify ⌊√(n/m)⌋ calculation
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* Add comment and beef-up tests
* Test for zero denominator
* Add algorithmic references
* Add test for the _isqrt_frac_rto() helper function.
* Compute the 109 instead of hard-wiring it
* Stronger test for _isqrt_frac_rto()
* Bigger range
* Bigger range
* Replace float() call with int/int division to be parallel with the other code path.
* Factor out division. Update proof link. Remove internal type declaration
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-11-26 22:54:50 -07:00
Raymond Hettinger
d2b55b07d2
bpo-45766: Add direct proportion option to linear_regression(). ( #29490 )
...
* bpo-45766: Add direct proportion option to linear_regression().
* Update 2021-11-09-09-18-06.bpo-45766.dvbcMf.rst
* Use ellipsis to avoid round-off issues.
* Update Misc/NEWS.d/next/Library/2021-11-09-09-18-06.bpo-45766.dvbcMf.rst
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* Update signature in main docs
* Fix missing comma
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
2021-11-21 08:39:26 -06:00
Raymond Hettinger
48744db70e
bpo-45852: Fix the Counter/iter test for statistics.mode() (GH-29667)
...
Suggested by Stefan Pochmann.
2021-11-20 11:01:09 -06:00
Raymond Hettinger
4a5cccb02b
bpo-20499: Rounding error in statistics.pvariance (GH-28230)
2021-09-08 22:00:12 -05:00
Raymond Hettinger
793f55bde9
bpo-39218: Improve accuracy of variance calculation (GH-27960)
2021-08-30 20:57:30 -05:00
Irit Katriel
f5d7a8d29c
bpo-44960: add regression test for geometric_mean with mixed int/floa… ( #27856 )
...
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-08-20 14:08:21 +01:00
Zack Kneupper
2f3a87856c
bpo-44151: linear_regression() minor API improvements (GH-26199)
2021-05-24 17:30:58 -07:00
Raymond Hettinger
be4dd7fcd9
bpo-44150: Support optional weights parameter for fmean() (GH-26175)
2021-05-20 20:22:26 -07:00
Tymoteusz Wołodźko
09aa6f914d
bpo-38490: statistics: Add covariance, Pearson's correlation, and simple linear regression ( #16813 )
...
Co-authored-by: Tymoteusz Wołodźko <twolodzko+gitkraken@gmail.com
2021-04-25 14:45:09 +03:00
Raymond Hettinger
cc3467a57b
bpo-38308: Add optional weighting to statistics.harmonic_mean() (GH-23914)
2020-12-23 19:52:09 -08:00
Hai Shi
79bb2c93f2
bpo-40275: Use new test.support helper submodules in tests (GH-21743)
2020-08-06 13:51:29 +02:00
Raymond Hettinger
d71ab4f738
bpo-40855: Fix ignored mu and xbar parameters (GH-20835)
2020-06-13 15:55:52 -07:00
Tzanetos Balitsaris
b809717c1e
bpo-40331: Increase test coverage for the statistics module (GH-19608)
2020-05-13 13:29:31 +03:00
Raymond Hettinger
70f027dd22
bpo-40290: Add zscore() to statistics.NormalDist. (GH-19547)
2020-04-16 10:25:14 -07:00
Tim Gates
c18b805ac6
bpo-39002: Fix simple typo: tranlation -> translation (GH-17517)
2019-12-09 09:42:17 -08:00
Raymond Hettinger
5eabec022b
bpo-38521: Fix error in NormalDist.__eq__() (GH-16840)
2019-10-18 14:20:35 -07:00
Raymond Hettinger
4db25d5c39
bpo-36018: Address more reviewer feedback (GH-15733)
2019-09-08 16:57:58 -07:00
Min ho Kim
39d87b5471
Fix typos mostly in comments, docs and test names (GH-15209)
2019-08-30 16:21:19 -04:00
Dong-hee Na
8ad22a4226
bpo-37798: Test both Python and C versions in test_statistics.py (GH-15453)
2019-08-24 10:51:20 -07:00
Neil Schemenauer
52a48e62c6
bpo-37707: Exclude expensive unit tests from PGO task (GH-15009)
...
Mark some individual tests to skip when --pgo is used. The tests
marked increase the PGO task time significantly and likely don't
help improve optimization of the final executable.
2019-07-30 11:08:18 -07:00
Raymond Hettinger
02c91f59b6
bpo-36324: Make internal attributes for statistics.NormalDist() private. (GH-14871)
...
* Make internals private
* Finish making mu and sigma private
* Add missing __hash__() method
* Add blurb
2019-07-21 00:34:47 -07:00
Raymond Hettinger
e917f2ed9a
bpo-36546: Add more tests and expand docs ( #13406 )
2019-05-18 10:18:29 -07:00
Xtreak
874ad1b3b4
Fix typo: quaatile to quantile (GH=13001)
2019-05-02 14:20:58 -04:00
Raymond Hettinger
b0a2c0fa83
bpo-36018: Test idempotence. Test two methods against one-another. (GH-13021)
2019-04-29 23:47:33 -07:00
Raymond Hettinger
db81ba1393
bpo-36546: More tests: type preservation and equal inputs ( #13000 )
2019-04-28 21:31:55 -07:00
Raymond Hettinger
9013ccf6d8
bpo-36546: Add statistics.quantiles() ( #12710 )
2019-04-23 00:06:35 -07:00
