pandas.core.window.ewm.ExponentialMovingWindow.std

ExponentialMovingWindow.std(bias=False, *args, **kwargs)[source]

Exponential weighted moving stddev.

Parameters
biasbool, default False

Use a standard estimation bias correction.

*args, **kwargs

Arguments and keyword arguments to be passed into func.

Returns
Series or DataFrame

Return type is determined by the caller.

See also

pandas.Series.ewm

Calling object with Series data.

pandas.DataFrame.ewm

Calling object with DataFrame data.

pandas.Series.std

Similar method for Series.

pandas.DataFrame.std

Similar method for DataFrame.