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. |
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Returns: | Series or DataFrame Return type is determined by the caller. |
See also
Series.ewm
Series ewm.
DataFrame.ewm
DataFrame ewm.