pandas.MultiIndex.from_arrays — pandas 2.2.3 documentation (original) (raw)

classmethod MultiIndex.from_arrays(arrays, sortorder=None, names=<no_default>)[source]#

Convert arrays to MultiIndex.

Parameters:

arrayslist / sequence of array-likes

Each array-like gives one level’s value for each data point. len(arrays) is the number of levels.

sortorderint or None

Level of sortedness (must be lexicographically sorted by that level).

nameslist / sequence of str, optional

Names for the levels in the index.

Returns:

MultiIndex

Examples

arrays = [[1, 1, 2, 2], ['red', 'blue', 'red', 'blue']] pd.MultiIndex.from_arrays(arrays, names=('number', 'color')) MultiIndex([(1, 'red'), (1, 'blue'), (2, 'red'), (2, 'blue')], names=['number', 'color'])