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

MultiIndex.order(return_indexer=False, ascending=True)

Resampler.min(_method='min', *args, **kwargs)

Panel.toLong(*args, **kwargs)

Panel.kurtosis(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

CategoricalIndex.order(return_indexer=False, ascending=True)

CategoricalIndex.get_level_values(level)

CategoricalIndex.rename(name, inplace=False)

Panel4D.ftypes Return the ftypes (indication of sparse/dense and dtype) in this object.

TimedeltaIndex.values return the underlying data as an ndarray