pandas.core.window.expanding.Expanding.skew

Expanding.skew(numeric_only=False, **kwargs)

Calculate the expanding unbiased skewness.

Parameters:

numeric_onlybool, default False

Include only float, int, boolean columns.

New in version 1.5.0.

**kwargs

For NumPy compatibility and will not have an effect on the result.

Deprecated since version 1.5.0.

Returns:

Series or DataFrame

Return type is the same as the original object with np.float64 dtype.

See also

scipy.stats.skew

Third moment of a probability density.

pandas.Series.expanding

Calling expanding with Series data.

pandas.DataFrame.expanding

Calling expanding with DataFrames.

pandas.Series.skew

Aggregating skew for Series.

pandas.DataFrame.skew

Aggregating skew for DataFrame.

Notes

A minimum of three periods is required for the rolling calculation.

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