def runTest(self):
from sklearn.datasets import load_iris
X, y = load_iris(True)
X = numpy.asarray([x[0:2] for x, yy in zip(X, y) if yy != 2])
y = numpy.asarray([yy for x, yy in zip(X, y) if yy != 2])
preprocessing_pipeline = Pipeline([('scaler', StandardScaler()),
('l2norm',
Normalizer(norm='l2', copy=True))])
X = preprocessing_pipeline.fit_transform(X, y)
X_train, X_test, y_train, y_test = train_test_split(X,
y,
test_size=0.10,
random_state=42)
initial_state_builder = QmlGenericStateCircuitBuilder(
MöttönenStatePreparation())
execution_backend = qiskit.Aer.get_backend(
'qasm_simulator') # type: BaseBackend
qml = QmlHadamardNeighborClassifier(
backend=execution_backend,
shots=8192,
classifier_circuit_factory=initial_state_builder,
feature_map=NormedAmplitudeEncoding())
qml.fit(X_train, y_train)
prediction = qml.predict(X_test)
self.assertEqual(len(prediction), len(y_test))
self.assertListEqual(prediction, list(y_test))
for i in range(len(qml.last_predict_p_acc)):
self.assertAlmostEqual(qml.last_predict_p_acc[i],
QmlHadamardNeighborClassifier.p_acc_theory(
X_train, y_train, X_test[i]),
delta=0.05)
for i in range(len(qml.last_predict_probability)):
predicted_label = prediction[i]
self.assertAlmostEqual(
qml.last_predict_probability[i],
QmlHadamardNeighborClassifier.p_label_theory(
X_train, y_train, X_test[i], predicted_label),
delta=0.05)
def runTest(self):
log.info(
"Testing 'QmlHadamardNeighborClassifier' with CNOT Preparation.")
execution_backend = qiskit.Aer.get_backend(
'qasm_simulator') # type: BaseBackend
X_train = numpy.asarray([[1.0, 1.0], [-1.0, 1.0], [-1.0, -1.0],
[1.0, -1.0]])
y_train = [0, 1, 0, 1]
X_test = numpy.asarray([[0.2, 0.4], [0.4, -0.8]])
y_test = [0, 1]
class MyFeatureMap(FeatureMap):
def map(self, input_vector: list) -> sparse.dok_matrix:
result = sparse.dok_matrix((4, 1))
index = 0
if input_vector[0] > 0 and input_vector[1] > 0:
index = 0
if input_vector[0] < 0 < input_vector[1]:
index = 1
if input_vector[0] < 0 and input_vector[1] < 0:
index = 2
if input_vector[0] > 0 > input_vector[1]:
index = 3
result[index, 0] = 1.0
return result
feature_map = MyFeatureMap()
initial_state_builder = QmlBinaryDataStateCircuitBuilder(CCXToffoli())
qml = QmlHadamardNeighborClassifier(
backend=execution_backend,
shots=100 * 8192,
feature_map=feature_map,
classifier_circuit_factory=initial_state_builder)
qml.fit(X_train, y_train)
prediction = qml.predict(X_test)
self.assertEqual(len(prediction), len(y_test))
self.assertListEqual(prediction, y_test)
def runTest(self):
log.info(
"Testing 'QmlHadamardNeighborClassifier' with Möttönen Preparation."
)
execution_backend = qiskit.Aer.get_backend(
'qasm_simulator') # type: BaseBackend
classifier_state_factory = QmlGenericStateCircuitBuilder(
MöttönenStatePreparation())
qml = QmlHadamardNeighborClassifier(
feature_map=NormedAmplitudeEncoding(),
classifier_circuit_factory=classifier_state_factory,
backend=execution_backend,
shots=100 * 8192)
from sklearn.datasets import load_wine
from sklearn.decomposition import PCA
from sklearn.preprocessing import StandardScaler, Normalizer
from sklearn.pipeline import Pipeline
X, y = load_wine(True)
preprocessing_pipeline = Pipeline([('scaler', StandardScaler()),
('pca2', PCA(n_components=2)),
('l2norm',
Normalizer(norm='l2', copy=True))])
X = preprocessing_pipeline.fit_transform(X, y)
X_train = X[[33, 88, 144]]
y_train = y[[33, 88, 144]]
X_test = X[[28, 140]]
y_test = y[[28, 140]]
qml.fit(X_train, y_train)
prediction = qml.predict(X_test)
self.assertEqual(len(prediction), len(y_test))
self.assertListEqual(prediction, list(y_test))