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/pandas 0.22

pandas.core.window.Rolling.var

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

rolling variance

Parameters:

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

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