def test_empty_kernel(self):
""" Test QSVR with empty QuantumKernel """
qkernel = QuantumKernel()
qsvr = QSVR(quantum_kernel=qkernel)
with self.assertRaises(QiskitMachineLearningError):
_ = qsvr.fit(self.sample_train, self.label_train)
def test_qsvr(self):
""" Test QSVR """
qkernel = QuantumKernel(feature_map=self.feature_map,
quantum_instance=self.statevector_simulator)
qsvr = QSVR(quantum_kernel=qkernel)
qsvr.fit(self.sample_train, self.label_train)
score = qsvr.score(self.sample_test, self.label_test)
self.assertAlmostEqual(score, 0.38365, places=4)
def test_qsvr_parameters(self):
"""Test QSVR with extra constructor parameters """
qkernel = QuantumKernel(feature_map=self.feature_map,
quantum_instance=self.statevector_simulator)
qsvr = QSVR(quantum_kernel=qkernel, tol=1e-4, C=0.5)
qsvr.fit(self.sample_train, self.label_train)
score = qsvr.score(self.sample_test, self.label_test)
self.assertAlmostEqual(score, 0.38365, places=4)