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Rolling.std()

Rolling.std(ddof=1, *args, **kwargs) [source]

rolling standard deviation

Parameters:

ddof : int, default 1

Delta Degrees of Freedom. The divisor used in calculations is N - ddof, where N represents the number of elements.

Returns:

same type as input

See also

pandas.Series.rolling, pandas.DataFrame.rolling

Links:

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

doc_Pandas

2017-01-12 04:53:04

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