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Merge pull request #9437 from bashtage/doc-kurtosis
DOC: Clarify definition of kurtosis used
2 parents 44e636a + e00524b commit 09a8437

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+3
-2
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2 files changed

+3
-2
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pandas/core/generic.py

+3-1
Original file line numberDiff line numberDiff line change
@@ -3998,7 +3998,9 @@ def stat_func(self, axis=None, skipna=None, level=None,
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nanops.nanskew)
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cls.kurt = _make_stat_function(
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'kurt',
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'Return unbiased kurtosis over requested axis\nNormalized by N-1',
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'Return unbiased kurtosis over requested axis using Fisher''s '
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'definition of\nkurtosis (kurtosis of normal == 0.0). Normalized '
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'by N-1\n',
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nanops.nankurt)
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cls.kurtosis = cls.kurt
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cls.prod = _make_stat_function(

pandas/core/nanops.py

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Original file line numberDiff line numberDiff line change
@@ -511,7 +511,6 @@ def nankurt(values, axis=None, skipna=True):
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D = (values ** 4).sum(axis) / count - A ** 4 - 6 * B * A * A - 4 * C * A
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B = _zero_out_fperr(B)
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C = _zero_out_fperr(C)
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D = _zero_out_fperr(D)
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if not isinstance(B, np.ndarray):

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