EWM.std()

pandas.core.window.EWM.std

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

exponential weighted moving stddev

Parameters:

bias : boolean, default False

Use a standard estimation bias correction

Returns:

same type as input

© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.core.window.EWM.std.html

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