pandas.core.window.ewm.EWM.std

EWM.std(self, 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

Series.ewm

Series ewm.

DataFrame.ewm

DataFrame ewm.