pandas.core.window.EWM.std — pandas 0.24.2 documentation (original) (raw)

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

Exponential weighted moving stddev.

Parameters: bias : bool, 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.