pandas.core.window.ewm.ExponentialMovingWindow.var¶
- ExponentialMovingWindow.var(bias=False, *args, **kwargs)[source]¶
Calculate the ewm (exponential weighted moment) variance.
- Parameters
- biasbool, default False
Use a standard estimation bias correction.
- *args
For NumPy compatibility and will not have an effect on the result.
- **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
pandas.Series.ewmCalling ewm with Series data.
pandas.DataFrame.ewmCalling ewm with DataFrames.
pandas.Series.varAggregating var for Series.
pandas.DataFrame.varAggregating var for DataFrame.