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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

See also

pandas.Series.ewm, pandas.DataFrame.ewm

Links:

http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.core.window.EWM.std.html

doc_Pandas

2017-01-12 04:48:13

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