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DOC: Clarify deterministic sorting behavior for ties #63363

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cc672eb
DOC: clarify deterministic behavior of sort in ties
Aditi4275 Dec 14, 2025
379e6f4
DOC:clarify deterministic behavior of sort in ties
Aditi4275 Dec 14, 2025
fdd2c7e
remove uv file
Aditi4275 Dec 14, 2025
5acb0ed
Merge branch 'pandas-dev:main' into doc-deterministic
Aditi4275 Dec 14, 2025
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DOC:clarify deterministic behavior of sort in ties
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Aditi4275 committed Dec 14, 2025
commit 379e6f4f1dbfeedf9ee200a0aa0e34a894b7cf32
2 changes: 1 addition & 1 deletion pandas/core/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1000,7 +1000,7 @@ def value_counts(
Prior to 3.0.0, the sort was unstable.

.. versionchanged:: 2.2.0
The default sort kind 'quicksort' is now stable and deterministic,
The default sort kind 'quicksort' is deterministic,
i.e. it produces the same result for the same input on each run.

ascending : bool, default False
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4 changes: 2 additions & 2 deletions pandas/core/frame.py
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Expand Up @@ -7340,7 +7340,7 @@ def sort_values(

.. versionchanged:: 2.2.0

The default sort kind 'quicksort' is now stable and deterministic,
The default sort kind 'quicksort' is deterministic,
i.e. it produces the same result for the same input on each run.
na_position : {'first', 'last'}, default 'last'
Puts NaNs at the beginning if `first`; `last` puts NaNs at the
Expand Down Expand Up @@ -7665,7 +7665,7 @@ def sort_index(

.. versionchanged:: 2.2.0

The default sort kind 'quicksort' is now stable and deterministic,
The default sort kind 'quicksort' is deterministic,
i.e. it produces the same result for the same input on each run.
na_position : {'first', 'last'}, default 'last'
Puts NaNs at the beginning if `first`; `last` puts NaNs at the end.
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6 changes: 3 additions & 3 deletions pandas/core/series.py
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Expand Up @@ -3496,9 +3496,9 @@ def sort_values(
information. 'mergesort' and 'stable' are the only stable algorithms.

.. versionchanged:: 2.2.0

The default sort kind 'quicksort' is now stable and deterministic,
The default sort kind 'quicksort' is deterministic,
i.e. it produces the same result for the same input on each run.

na_position : {'first' or 'last'}, default 'last'
Argument 'first' puts NaNs at the beginning, 'last' puts NaNs at
the end.
Expand Down Expand Up @@ -3748,7 +3748,7 @@ def sort_index(

.. versionchanged:: 2.2.0

The default sort kind 'quicksort' is now stable and deterministic,
The default sort kind 'quicksort' is deterministic,
i.e. it produces the same result for the same input on each run.
na_position : {'first', 'last'}, default 'last'
If 'first' puts NaNs at the beginning, 'last' puts NaNs at the end.
Expand Down