pandas.core.window.ewm.ExponentialMovingWindow.std¶

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

Calculate the ewm (exponential weighted moment) standard deviation.

Parameters:

biasbool, default False: Use a standard estimation bias correction.
numeric_onlybool, default False: Include only float, int, boolean columns.

New in version 1.5.0.
*args: For NumPy compatibility and will not have an effect on the result.

Deprecated since version 1.5.0.
**kwargs: For NumPy compatibility and will not have an effect on the result.

Deprecated since version 1.5.0.

Returns:

Series or DataFrame: Return type is the same as the original object with np.float64 dtype.