DatetimeIndex.flags

Series.equals(other)

CategoricalIndex.size return the number of elements in the underlying data

Index.nlevels

MultiIndex.duplicated(*args, **kwargs)

DataFrame.sort(columns=None, axis=0, ascending=True, inplace=False, kind='quicksort', na_position='last', **kwargs)

Panel4D.ge(other, axis=None)

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

DataFrame.clip(lower=None, upper=None, axis=None, *args, **kwargs)

DatetimeIndex.str()