Panel4D.swapaxes(axis1, axis2, copy=True)

Index.shift(periods=1, freq=None)

Panel4D.sem(axis=None, skipna=None, level=None, ddof=1, numeric_only=None, **kwargs)

Panel4D.isnull()

Panel.clip_lower(threshold, axis=None)

MultiIndex.rename(names, level=None, inplace=False)

DatetimeIndex.ndim return the number of dimensions of the underlying data, by definition 1

MultiIndex.inferred_type = None

Index.slice_locs(start=None, end=None, step=None, kind=None)

Index.to_native_types(slicer=None, **kwargs)