DataFrameGroupBy.diff()

pandas.core.groupby.DataFrameGroupBy.diff

DataFrameGroupBy.diff(periods=1, axis=0)

1st discrete difference of object

Parameters:

periods : int, default 1

Periods to shift for forming difference

axis : {0 or ‘index’, 1 or ‘columns’}, default 0

Take difference over rows (0) or columns (1).

Returns:

diffed : DataFrame

© 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.groupby.DataFrameGroupBy.diff.html

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