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.float64dtype.
See also
pandas.Series.ewmCalling ewm with Series data.
pandas.DataFrame.ewmCalling ewm with DataFrames.
pandas.Series.stdAggregating std for Series.
pandas.DataFrame.stdAggregating std for DataFrame.