zhengruifeng commented on PR #36549:
URL: https://github.com/apache/spark/pull/36549#issuecomment-1126676744
lastest master:
```
pdf = pd.DataFrame(
{
"A": [1, -2, np.nan, -4, 5],
"B": [1.0, -2, np.nan, -4, 5],
"C": [-6.0, -7, -8, np.nan, 10],
"D": ["a", "b", "c", "d", np.nan],
"E": [True, np.nan, False, True, True],
}
)
psdf = ps.from_pandas(pdf)
In [9]: pdf.skew()
Out[9]:
A -0.091371
B -0.091371
C 1.426955
D 0.408657
dtype: float64
In [10]: psdf.skew()
Out[10]:
A -0.091279
B -0.091279
C 1.425527
D 0.408248
dtype: float64
In [11]: pser = pd.Series([1, 2, None], index=np.random.rand(3), name="a")
In [12]: pser.skew()
Out[12]: nan
In [13]: psser = ps.from_pandas(pser)
In [14]: psser.skew()
Out[14]: 0.0
```
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