def test_biweight_midcorrelation():
x = [0, 1, 2]
y = [2, 1, 0]
assert_allclose(biweight_midcorrelation(x, x), 1.0)
assert_allclose(biweight_midcorrelation(x, y), -1.0)
x = [5, 1, 10, 12.4, 13.2]
y = [500, 5, 2, 7.1, 0.9]
# verified with R
assert_allclose(biweight_midcorrelation(x, y), -0.14411038976763313)
def test_biweight_midcorrelation():
x = [0, 1, 2]
y = [2, 1, 0]
assert_allclose(biweight_midcorrelation(x, x), 1.0)
assert_allclose(biweight_midcorrelation(x, y), -1.0)
x = [5, 1, 10, 12.4, 13.2]
y = [500, 5, 2, 7.1, 0.9]
# verified with R
assert_allclose(biweight_midcorrelation(x, y), -0.14411038976763313)
def test_biweight_midcorrelation_inputs():
a1 = np.ones((3, 3))
a2 = np.ones(5)
a3 = np.ones(7)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a1, a2)
assert 'x must be a 1D array.' in str(e.value)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a2, a1)
assert 'y must be a 1D array.' in str(e.value)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a2, a3)
assert 'x and y must have the same shape.' in str(e.value)
def test_biweight_midcorrelation_inputs():
a1 = np.ones((3, 3))
a2 = np.ones(5)
a3 = np.ones(7)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a1, a2)
assert 'x must be a 1D array.' in str(e.value)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a2, a1)
assert 'y must be a 1D array.' in str(e.value)
with pytest.raises(ValueError) as e:
biweight_midcorrelation(a2, a3)
assert 'x and y must have the same shape.' in str(e.value)
