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BUG: groupby().rolling(freq) with monotonic dates within groups #46065 #46567

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merged 6 commits into from Mar 31, 2022

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@mroeschke mroeschke commented Mar 30, 2022

Restored version in #46065 as there is some support for the bug fix despite the performance hit.

@mroeschke mroeschke added Bug Window rolling, ewma, expanding labels Mar 30, 2022
@mroeschke mroeschke added this to the 1.4.2 milestone Mar 30, 2022
@jreback jreback merged commit d2aa44f into pandas-dev:main Mar 31, 2022
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jreback commented Mar 31, 2022

@meeseeksdev backport 1.4.x

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@mroeschke mroeschke deleted the bug/gb_roll_mon branch March 31, 2022 22:16
simonjayhawkins pushed a commit to simonjayhawkins/pandas that referenced this pull request Apr 1, 2022
simonjayhawkins added a commit that referenced this pull request Apr 1, 2022
… monotonic dates within groups #46065 ) (#46592)

* ENH: Improve error message when rolling over NaT value (#46087)

* BUG: groupby().rolling(freq) with monotonic dates within groups #46065  (#46567)

(cherry picked from commit d2aa44f)

Co-authored-by: Matthew Roeschke <emailformattr@gmail.com>
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BUG: groupby().rolling("freq") validation raises even if dates are sorted within each group
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