pandas.Index.argsort

Index.argsort(*args, **kwargs)[source]

Return the integer indices that would sort the index.

Parameters:

*args

Passed to numpy.ndarray.argsort.

**kwargs

Passed to numpy.ndarray.argsort.

Returns:

np.ndarray[np.intp]

Integer indices that would sort the index if used as an indexer.

See also

numpy.argsort

Similar method for NumPy arrays.

Index.sort_values

Return sorted copy of Index.

Examples

>>> idx = pd.Index(['b', 'a', 'd', 'c'])
>>> idx
Index(['b', 'a', 'd', 'c'], dtype='object')

>>> order = idx.argsort()
>>> order
array([1, 0, 3, 2])

>>> idx[order]
Index(['a', 'b', 'c', 'd'], dtype='object')