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

CategoricalIndex.name = None

Index.sortlevel(level=None, ascending=True, sort_remaining=None)

DataFrame.as_matrix(columns=None)

CategoricalIndex.argmin(axis=None)

Panel.compound(axis=None, skipna=None, level=None)

MultiIndex.is_boolean()

DatetimeIndex.is_categorical()

EWM.std(bias=False, *args, **kwargs)

Series.equals(other)