pandas.MultiIndex.to_flat_index#

MultiIndex.to_flat_index()[source]#

Convert a MultiIndex to an Index of Tuples containing the level values.

Returns:

pd.Index: Index with the MultiIndex data represented in Tuples.

See also

MultiIndex.from_tuples: Convert flat index back to MultiIndex.

Notes

This method will simply return the caller if called by anything other than a MultiIndex.

Examples

>>> index = pd.MultiIndex.from_product(
...     [["foo", "bar"], ["baz", "qux"]], names=["a", "b"]
... )
>>> index.to_flat_index()
Index([('foo', 'baz'), ('foo', 'qux'),
       ('bar', 'baz'), ('bar', 'qux')],
      dtype='object')