pandas.core.window.rolling.Rolling.skew — pandas 2.2.3 documentation (original) (raw)

Rolling.skew(numeric_only=False)[source]#

Calculate the rolling unbiased skewness.

Parameters:

numeric_onlybool, default False

Include only float, int, boolean columns.

Added in version 1.5.0.

Returns:

Series or DataFrame

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

Notes

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

Examples

ser = pd.Series([1, 5, 2, 7, 15, 6]) ser.rolling(3).skew().round(6) 0 NaN 1 NaN 2 1.293343 3 -0.585583 4 0.670284 5 1.652317 dtype: float64