pandas.core.window.expanding.Expanding.skew¶

Expanding.skew(**kwargs)[source]¶

Calculate the expanding unbiased skewness.

Parameters

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

Returns

Series or DataFrame: Return type is the same as the original object.

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.

pandas.core.window.expanding.Expanding.cov pandas.core.window.expanding.Expanding.kurt