pandas.core.window.ewm.ExponentialMovingWindow.std#
- ExponentialMovingWindow.std(bias=False, numeric_only=False)[source]#
Calculate the ewm (exponential weighted moment) standard deviation.
- Parameters
- biasbool, default False
Use a standard estimation bias correction.
- numeric_onlybool, default False
Include only float, int, boolean columns.
New in version 1.5.0.
- Returns
- Series or DataFrame
Return type is the same as the original object with
np.float64
dtype.
See also
pandas.Series.ewm
Calling ewm with Series data.
pandas.DataFrame.ewm
Calling ewm with DataFrames.
pandas.Series.std
Aggregating std for Series.
pandas.DataFrame.std
Aggregating std for DataFrame.