- Panel.swaplevel(i=-2, j=-1, axis=0)¶
Swap levels i and j in a MultiIndex on a particular axis
i, j : int, string (can be mixed)
Level of index to be swapped. Can pass level name as string.
swapped : type of caller (new object)
Changed in version 0.18.1: The indexes i and j are now optional, and default to the two innermost levels of the index.