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Fix rolling var bug #62514

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Merged
merged 6 commits into from
Oct 4, 2025
Merged

Fix rolling var bug #62514

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cf9f8fa
fix: bug in sliding window
suzyahyah Sep 30, 2025
ac2dd40
feat: consolidate tests for rolling variance correctness against numpy
suzyahyah Sep 30, 2025
fea0d10
lint: reformatted by pre-commit run
suzyahyah Sep 30, 2025
e4a3939
fix: use hardcoded values for tests
suzyahyah Oct 1, 2025
6431ae5
fix: sliding window exclusive end index
suzyahyah Oct 1, 2025
b0aa633
docs: add changeline to v3.0.0.rst
suzyahyah Oct 4, 2025
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docs: add changeline to v3.0.0.rst
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@suzyahyah
suzyahyah committed Oct 4, 2025
commit b0aa633bdb7427bf4f35f011d66f6b7677ea148d
1 change: 1 addition & 0 deletions doc/source/whatsnew/v3.0.0.rst
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Expand Up @@ -1081,6 +1081,7 @@ Groupby/resample/rolling
- Bug in :meth:`Rolling.apply` for ``method="table"`` where column order was not being respected due to the columns getting sorted by default. (:issue:`59666`)
- Bug in :meth:`Rolling.apply` where the applied function could be called on fewer than ``min_period`` periods if ``method="table"``. (:issue:`58868`)
- Bug in :meth:`Series.resample` could raise when the date range ended shortly before a non-existent time. (:issue:`58380`)
- Bug in :meth:`Series.rolling.var` and :meth:`Series.rolling.std` where the end of window was not indexed correctly. (:issue:`47721`, :issue:`52407`, :issue:`54518`, :issue:`55343`)

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