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

Grouper.groups

DataFrameGroupBy.count()

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

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

SeriesGroupBy.nunique(dropna=True)

SeriesGroupBy.nsmallest(*args, **kwargs)

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

GroupBy.min()

DataFrameGroupBy.corr(method='pearson', min_periods=1) Compute pairwise correlation of columns, excluding