class pandas.Grouper(key=None, level=None, freq=None, axis=0, sort=False)

Index.nlevels

MultiIndex.searchsorted(key, side='left', sorter=None)

Index.asof_locs(where, mask)

Series.expanding(min_periods=1, freq=None, center=False, axis=0)

DataFrame.eval(expr, inplace=None, **kwargs)

Series.cat.reorder_categories(*args, **kwargs)

DatetimeIndex.summary(name=None)

GroupBy.indices dict {group name -> group indices}

Panel.to_sql(name, con, flavor=None, schema=None, if_exists='fail', index=True, index_label=None, chunksize=None, dtype=None)