zhengruifeng commented on PR #36554:
URL: https://github.com/apache/spark/pull/36554#issuecomment-1126847198
befor this PR:
```
In [2]: pdf = pd.DataFrame(
...: {
...: "A": [1, 1, 1, 1, 1],
...: "B": [1.0, np.nan, 4, 2, 5],
...: "C": [-6.0, -7, np.nan, np.nan, 10],
...: "D": [1.2, np.nan, np.nan, 9.8, np.nan],
...: "E": [1, np.nan, np.nan, np.nan, np.nan],
...: "F": [np.nan, np.nan, np.nan, np.nan, np.nan],
...: }
...: )
...: psdf = ps.from_pandas(pdf)
In [3]:
In [3]: psdf.skew()
22/05/15 10:19:28 WARN package: Truncated the string representation of a
plan since it was too large. This behavior can be adjusted by setting
'spark.sql.debug.maxToStringFields'.
Out[3]:
A NaN
B -1.945901e-16
C 1.710663e+00
D NaN
E NaN
F NaN
dtype: float64
In [4]: pdf.skew()
Out[4]:
A 0.000000
B 0.000000
C 1.710663
D NaN
E NaN
F NaN
dtype: float64
```
after this PR:
```
In [3]: psdf.skew()
Out[3]:
A 0.000000
B 0.000000
C 1.710663
D NaN
E NaN
F NaN
dtype: float64
In [4]: pdf.skew()
Out[4]:
A 0.000000
B 0.000000
C 1.710663
D NaN
E NaN
F NaN
dtype: float64
```
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