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DEP: Remove deprecated interpolation parameter from quantile/percentile #29973

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Merged
mattip merged 6 commits into from
Oct 16, 2025
Merged

DEP: Remove deprecated interpolation parameter from quantile/percentile #29973

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aedb692
DEP: Remove expired ``interpolation`` kwarg from ``percentile`` and `…
jorenham Oct 15, 2025
514fc6c
DEP: Remove expired ``interpolation`` kwarg from ``nanpercentile`` an…
jorenham Oct 15, 2025
c162a27
DEP: Remove ``TestQuantileInterpolationDeprecation``
jorenham Oct 15, 2025
37b02ca
DOC: add release note for #29973
jorenham Oct 15, 2025
5848114
DOC: fix typo in release note for #29909
jorenham Oct 15, 2025
c27fb48
DOC: fix rst formatting in release note for #29973
jorenham Oct 15, 2025
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DEP: Remove expired interpolation kwarg from nanpercentile an… 
…d ``nanquantile``
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@jorenham
jorenham committed Oct 15, 2025
commit 514fc6c3053f5f173dfb4042adf08ea26facaf35
26 changes: 2 additions & 24 deletions numpy/lib/_nanfunctions_impl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1219,7 +1219,7 @@ def nanmedian(a, axis=None, out=None, overwrite_input=False, keepdims=np._NoValu

def _nanpercentile_dispatcher(
a, q, axis=None, out=None, overwrite_input=None,
method=None, keepdims=None, *, weights=None, interpolation=None):
method=None, keepdims=None, *, weights=None):
return (a, q, out, weights)


Expand All @@ -1234,7 +1234,6 @@ def nanpercentile(
keepdims=np._NoValue,
*,
weights=None,
interpolation=None,
):
"""
Compute the qth percentile of the data along the specified axis,
Expand Down Expand Up @@ -1313,11 +1312,6 @@ def nanpercentile(

.. versionadded:: 2.0.0

interpolation : str, optional
Deprecated name for the method keyword argument.

.. deprecated:: 1.22.0

Returns
-------
percentile : scalar or ndarray
Expand Down Expand Up @@ -1379,10 +1373,6 @@ def nanpercentile(
The American Statistician, 50(4), pp. 361-365, 1996

"""
if interpolation is not None:
method = fnb._check_interpolation_as_method(
method, interpolation, "nanpercentile")

a = np.asanyarray(a)
if a.dtype.kind == "c":
raise TypeError("a must be an array of real numbers")
Expand All @@ -1407,8 +1397,7 @@ def nanpercentile(


def _nanquantile_dispatcher(a, q, axis=None, out=None, overwrite_input=None,
method=None, keepdims=None, *, weights=None,
interpolation=None):
method=None, keepdims=None, *, weights=None):
return (a, q, out, weights)


Expand All @@ -1423,7 +1412,6 @@ def nanquantile(
keepdims=np._NoValue,
*,
weights=None,
interpolation=None,
):
"""
Compute the qth quantile of the data along the specified axis,
Expand Down Expand Up @@ -1500,11 +1488,6 @@ def nanquantile(

.. versionadded:: 2.0.0

interpolation : str, optional
Deprecated name for the method keyword argument.

.. deprecated:: 1.22.0

Returns
-------
quantile : scalar or ndarray
Expand Down Expand Up @@ -1565,11 +1548,6 @@ def nanquantile(
The American Statistician, 50(4), pp. 361-365, 1996

"""

if interpolation is not None:
method = fnb._check_interpolation_as_method(
method, interpolation, "nanquantile")

a = np.asanyarray(a)
if a.dtype.kind == "c":
raise TypeError("a must be an array of real numbers")
Expand Down