# pandas.Panel.sort_index

`Panel.``sort_index`(axis=0, level=None, ascending=True, inplace=False, kind='quicksort', na_position='last', sort_remaining=True)

  Sort object by labels (along an axis)

  Parameters:

  axis : axes to direct sorting

  level : int or level name or list of ints or list of level names

  > if not None, sort on values in specified index level(s)

  ascending : boolean, default True

  > Sort ascending vs. descending

  inplace : bool, default False

  > if True, perform operation in-place

  kind : {‘quicksort’, ‘mergesort’, ‘heapsort’}, default ‘quicksort’

  > Choice of sorting algorithm. See also ndarray.np.sort for more information. mergesort is the only stable algorithm. For DataFrames, this option is only applied when sorting on a single column or label.

  na_position : {‘first’, ‘last’}, default ‘last’

  > first puts NaNs at the beginning, last puts NaNs at the end. Not implemented for MultiIndex.

  sort_remaining : bool, default True

  > if true and sorting by level and index is multilevel, sort by other levels too (in order) after sorting by specified level

  Returns: | sorted_obj : NDFrame

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