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/pandas 0.19

pandas.core.window.Expanding.sum

Expanding.sum(*args, **kwargs) [source]

expanding sum

Parameters:

how : string, default None (DEPRECATED)

Method for down- or re-sampling

Returns:

same type as input

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© 2008–2014 the pandas development team
Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.core.window.Expanding.sum.html