Ejemplo n.º 1
0
def test_n_slack_svm_as_crf_pickling():
    iris = load_iris()
    X, y = iris.data, iris.target

    X_ = [(np.atleast_2d(x), np.empty((0, 2), dtype=np.int)) for x in X]
    Y = y.reshape(-1, 1)

    X_train, X_test, y_train, y_test = train_test_split(X_, Y, random_state=1)
    _, file_name = mkstemp()

    pbl = GraphCRF(n_features=4, n_states=3, inference_method='lp')
    logger = SaveLogger(file_name)
    svm = NSlackSSVM(pbl, C=100, n_jobs=1, logger=logger)
    svm.fit(X_train, y_train)

    assert_less(.97, svm.score(X_test, y_test))
    assert_less(.97, logger.load().score(X_test, y_test))
Ejemplo n.º 2
0
def test_n_slack_svm_as_crf_pickling():
    iris = load_iris()
    X, y = iris.data, iris.target

    X_ = [(np.atleast_2d(x), np.empty((0, 2), dtype=np.int)) for x in X]
    Y = y.reshape(-1, 1)

    X_train, X_test, y_train, y_test = train_test_split(X_, Y, random_state=1)
    _, file_name = mkstemp()

    pbl = GraphCRF(n_features=4, n_states=3, inference_method='lp')
    logger = SaveLogger(file_name)
    svm = NSlackSSVM(pbl, C=100, n_jobs=1, logger=logger)
    svm.fit(X_train, y_train)

    assert_less(.97, svm.score(X_test, y_test))
    assert_less(.97, logger.load().score(X_test, y_test))
Ejemplo n.º 3
0
def test_svm_as_crf_pickling_batch():

    iris = load_iris()
    X, y = iris.data, iris.target

    X_ = [(np.atleast_2d(x), np.empty((0, 2), dtype=np.int)) for x in X]
    Y = y.reshape(-1, 1)

    X_train, X_test, y_train, y_test = train_test_split(X_, Y, random_state=1)
    _, file_name = mkstemp()

    pbl = GraphCRF(n_features=4, n_states=3, inference_method='unary')
    logger = SaveLogger(file_name)
    svm = FrankWolfeSSVM(pbl, C=10, logger=logger, max_iter=50, batch_mode=False)
    svm.fit(X_train, y_train)

    assert_less(.97, svm.score(X_test, y_test))
    assert_less(.97, logger.load().score(X_test, y_test))
Ejemplo n.º 4
0
def test_svm_as_crf_pickling_batch():

    iris = load_iris()
    X, y = iris.data, iris.target

    X_ = [(np.atleast_2d(x), np.empty((0, 2), dtype=np.int)) for x in X]
    Y = y.reshape(-1, 1)

    X_train, X_test, y_train, y_test = train_test_split(X_, Y, random_state=1)
    _, file_name = mkstemp()

    pbl = GraphCRF(n_features=4, n_states=3, inference_method='unary')
    logger = SaveLogger(file_name)
    svm = FrankWolfeSSVM(pbl,
                         C=10,
                         logger=logger,
                         max_iter=50,
                         batch_mode=False)
    svm.fit(X_train, y_train)

    assert_less(.97, svm.score(X_test, y_test))
    assert_less(.97, logger.load().score(X_test, y_test))