Search results

BUG: .rolling().mean() returns all NaNs on re-execution, despite .copy() use

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

MultiIndex

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61841 In pandas-dev/pandas;

· DavidZatica opened on Jul 12, 2025

Incorrect rolling std() results on very large DataFrames

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61677 In pandas-dev/pandas;

· ZuotaoZhang opened on Jun 18, 2025

raise TypeError when function returns object-like results

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61529 In pandas-dev/pandas;

· michael2015tse opened on Jun 1, 2025

BUG: Fixed issue where rolling.kurt() calculations would be effected by values outside of scope

Bug

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open (in progress).

pandas-dev/pandasnumber 61481

#61481 In pandas-dev/pandas;

· eicchen opened on May 22, 2025

BUG: df.rolling.{std, skew, kurt} gives unexpected value

Bug

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61416 In pandas-dev/pandas;

· Jie-Lei opened on May 9, 2025

BUG(?): rolling sum with pyarrow types results in float64 instead of preserving integer type

Arrowpyarrow functionalitypyarrow functionality

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61144 In pandas-dev/pandas;

· MarcoGorelli opened on Mar 18, 2025

BUG: inconsistent indices in <code>GroupByRolling</code> when selecting or not selecting subset of columns

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

Bug

Groupby

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#59567 In pandas-dev/pandas;

· inigohidalgo opened on Aug 20, 2024

BUG: numerical inconsistency in calculating rolling kurtosis

Bug

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#58711 In pandas-dev/pandas;

· HaloCollider opened on May 14, 2024

REGR?: ExponentialMovingWindow.aggregate raises on main with np.mean

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#58299 In pandas-dev/pandas;

· twoertwein opened on Apr 17, 2024

BUG: Inconsistent <code>RollingGroupby</code> Behaviour

Bug

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#58124 In pandas-dev/pandas;

· hsorsky opened on Apr 2, 2024

QST: somthing weird in using groupby.rolling.apply(function)

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Usage Question

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#58061 In pandas-dev/pandas;

· Li-xy-lucky opened on Mar 29, 2024

ENH: rolling window, make the very first window have the first element of my series on its left

Enhancement

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#57873 In pandas-dev/pandas;

· abdullam opened on Mar 17, 2024