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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:

numpy.ndarray

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')
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