def test_sample_confidence_region():
"""Test sampling from confidence region."""
random_state = check_random_state(0)
means = np.array([[0.0, 1.0], [2.0, -1.0]])
covariances = np.array([[[0.5, 0.0], [0.0, 5.0]], [[5.0, 0.0], [0.0,
0.5]]])
gmm = GMM(n_components=2,
priors=np.array([0.5, 0.5]),
means=means,
covariances=covariances,
random_state=random_state)
samples = gmm.sample_confidence_region(100, 0.7)
for sample in samples:
assert_true(gmm.is_in_confidence_region(sample, 0.7))
def test_is_in_confidence_region_1d():
gmm = GMM(n_components=1, priors=[1], means=[[0]], covariances=[[[1]]])
assert_true(gmm.is_in_confidence_region([0], 1.0))
