def test_spearman(self):
"""Test the spearman function with valid input."""
# One vector has no ties.
exp = 0.3719581
obs = spearman(self.a, self.b)
np.testing.assert_allclose(obs, exp)
# Both vectors have no ties.
exp = 0.2969697
obs = spearman(self.b, self.c)
np.testing.assert_allclose(obs, exp)
# Both vectors have ties.
exp = 0.388381
obs = spearman(self.a, self.r)
np.testing.assert_allclose(obs, exp)
exp = -0.17575757575757578
obs = spearman(self.data1, self.data2)
np.testing.assert_allclose(obs, exp)
def test_spearman(self):
"""Test the spearman function with valid input."""
# One vector has no ties.
exp = 0.3719581
obs = spearman(self.a, self.b)
np.testing.assert_allclose(obs, exp)
# Both vectors have no ties.
exp = 0.2969697
obs = spearman(self.b, self.c)
np.testing.assert_allclose(obs, exp)
# Both vectors have ties.
exp = 0.388381
obs = spearman(self.a, self.r)
np.testing.assert_allclose(obs, exp)
exp = -0.17575757575757578
obs = spearman(self.data1, self.data2)
np.testing.assert_allclose(obs, exp)
def test_spearman_ranked(self):
"""Test the spearman function with a vector that is already ranked."""
exp = 0.2969697
obs = spearman(self.b_ranked, self.c_ranked)
np.testing.assert_allclose(obs, exp)
def test_spearman_no_variation(self):
"""Test the spearman function with a vector having no variation."""
exp = 0.0
obs = spearman([1, 1, 1], [1, 2, 3])
np.testing.assert_allclose(obs, exp)
def test_spearman_ranked(self):
"""Test the spearman function with a vector that is already ranked."""
exp = 0.2969697
obs = spearman(self.b_ranked, self.c_ranked)
np.testing.assert_allclose(obs, exp)
def test_spearman_no_variation(self):
"""Test the spearman function with a vector having no variation."""
exp = 0.0
obs = spearman([1, 1, 1], [1, 2, 3])
np.testing.assert_allclose(obs, exp)
