pandas.Index.argsort — pandas 2.2.3 documentation (original) (raw)

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')