/usr/lib/python3/dist-packages/photutils/morphology/tests/test_non_parametric.py is in python3-photutils 0.4-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | # Licensed under a 3-clause BSD style license - see LICENSE.rst
from __future__ import (absolute_import, division, print_function,
unicode_literals)
import numpy as np
from ..non_parametric import gini
def test_gini():
"""
Test Gini coefficient measurement.
"""
data_evenly_distributed = np.ones((100, 100))
data_point_like = np.zeros((100, 100))
data_point_like[50, 50] = 1
assert gini(data_evenly_distributed) == 0.
assert gini(data_point_like) == 1.
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