pandas.core.resample.Resampler.std — pandas 2.2.3 documentation (original) (raw)

final Resampler.std(ddof=1, numeric_only=False, *args, **kwargs)[source]#

Compute standard deviation of groups, excluding missing values.

Parameters:

ddofint, default 1

Degrees of freedom.

numeric_onlybool, default False

Include only float, int or boolean data.

Added in version 1.5.0.

Changed in version 2.0.0: numeric_only now defaults to False.

Returns:

DataFrame or Series

Standard deviation of values within each group.

Examples

ser = pd.Series([1, 3, 2, 4, 3, 8], ... index=pd.DatetimeIndex(['2023-01-01', ... '2023-01-10', ... '2023-01-15', ... '2023-02-01', ... '2023-02-10', ... '2023-02-15'])) ser.resample('MS').std() 2023-01-01 1.000000 2023-02-01 2.645751 Freq: MS, dtype: float64