TimedeltaIndex.shape return a tuple of the shape of the underlying data

CategoricalIndex.summary(name=None)

DatetimeIndex.nbytes return the number of bytes in the underlying data

TimedeltaIndex.inferred_freq = None

GroupBy.var(ddof=1, *args, **kwargs)

DataFrame.mode(axis=0, numeric_only=False)

DatetimeIndex.union_many(others)

Panel.pop(item)

Panel4D.is_copy = None

Series.cat.codes