laywerrobot/lib/python3.6/site-packages/sklearn/utils/tests/test_stats.py
2020-08-27 21:55:39 +02:00

24 lines
717 B
Python

from sklearn.utils.testing import assert_array_equal, ignore_warnings
from sklearn.utils.stats import rankdata
_cases = (
# values, method, expected
([100], 'max', [1.0]),
([100, 100, 100], 'max', [3.0, 3.0, 3.0]),
([100, 300, 200], 'max', [1.0, 3.0, 2.0]),
([100, 200, 300, 200], 'max', [1.0, 3.0, 4.0, 3.0]),
([100, 200, 300, 200, 100], 'max', [2.0, 4.0, 5.0, 4.0, 2.0]),
)
@ignore_warnings # Test deprecated backport to be removed in 0.21
def test_cases():
def check_case(values, method, expected):
r = rankdata(values, method=method)
assert_array_equal(r, expected)
for values, method, expected in _cases:
yield check_case, values, method, expected