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Merge branch 'devel' of github.com:SheffieldML/GPy into devel

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Max Zwiessele 2016-09-01 13:22:14 +01:00
commit 05afd8eb7b
5 changed files with 83 additions and 10 deletions
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27
GPy/testing/prior_tests.py
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@ -6,6 +6,29 @@ import numpy as np
import GPy
class PriorTests(unittest.TestCase):
def test_studentT(self):
xmin, xmax = 1, 2.5*np.pi
b, C, SNR = 1, 0, 0.1
X = np.linspace(xmin, xmax, 500)
y = b*X + C + 1*np.sin(X)
y += 0.05*np.random.randn(len(X))
X, y = X[:, None], y[:, None]
studentT = GPy.priors.StudentT(1, 2, 4)
m = GPy.models.SparseGPRegression(X, y)
m.Z.set_prior(studentT)
# setting a StudentT prior on non-negative parameters
# should raise an assertionerror.
self.assertRaises(AssertionError, m.rbf.set_prior, studentT)
# The gradients need to be checked
self.assertTrue(m.checkgrad())
# Check the singleton pattern:
self.assertIs(studentT, GPy.priors.StudentT(1,2,4))
self.assertIsNot(studentT, GPy.priors.StudentT(2,2,4))
def test_lognormal(self):
xmin, xmax = 1, 2.5*np.pi
b, C, SNR = 1, 0, 0.1
@ -74,7 +97,7 @@ class PriorTests(unittest.TestCase):
# setting a Gaussian prior on non-negative parameters
# should raise an assertionerror.
#self.assertRaises(AssertionError, m.Z.set_prior, gaussian)
self.assertTrue(m.checkgrad())
def test_fixed_domain_check(self):
@ -107,8 +130,6 @@ class PriorTests(unittest.TestCase):
# should raise an assertionerror.
self.assertRaises(AssertionError, m.rbf.set_prior, gaussian)
if __name__ == "__main__":
print("Running unit tests, please be (very) patient...")
unittest.main()