DataFrameGroupBy.tshift(periods=1, freq=None, axis=0) Shift the time index, using the index?s frequency

DataFrameGroupBy.count()

GroupBy.aggregate(func, *args, **kwargs)

DataFrameGroupBy.pct_change(periods=1, fill_method='pad', limit=None, freq=None, **kwargs) Percent

Grouper.groups

SeriesGroupBy.nunique(dropna=True)

SeriesGroupBy.nsmallest(*args, **kwargs)

DataFrameGroupBy.mad(axis=None, skipna=None, level=None) Return the mean absolute deviation of the values

GroupBy.__iter__()

GroupBy.max()