Python sklearn.linear_model.PassiveAggressiveRegressor() Examples

The following are 13 code examples of sklearn.linear_model.PassiveAggressiveRegressor(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module sklearn.linear_model , or try the search function .
Example #1
Source File: test_passive_aggressive.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def test_regressor_mse():
    y_bin = y.copy()
    y_bin[y != 1] = -1

    for data in (X, X_csr):
        for fit_intercept in (True, False):
            for average in (False, True):
                reg = PassiveAggressiveRegressor(
                    C=1.0, fit_intercept=fit_intercept,
                    random_state=0, average=average, max_iter=5)
                reg.fit(data, y_bin)
                pred = reg.predict(data)
                assert_less(np.mean((pred - y_bin) ** 2), 1.7)
                if average:
                    assert hasattr(reg, 'average_coef_')
                    assert hasattr(reg, 'average_intercept_')
                    assert hasattr(reg, 'standard_intercept_')
                    assert hasattr(reg, 'standard_coef_')


# 0.23. warning about tol not having its correct default value.
Example #2
Source File: test_passive_aggressive.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def test_regressor_partial_fit():
    y_bin = y.copy()
    y_bin[y != 1] = -1

    for data in (X, X_csr):
        for average in (False, True):
            reg = PassiveAggressiveRegressor(
                C=1.0, fit_intercept=True, random_state=0,
                average=average, max_iter=100)
            for t in range(50):
                reg.partial_fit(data, y_bin)
            pred = reg.predict(data)
            assert_less(np.mean((pred - y_bin) ** 2), 1.7)
            if average:
                assert hasattr(reg, 'average_coef_')
                assert hasattr(reg, 'average_intercept_')
                assert hasattr(reg, 'standard_intercept_')
                assert hasattr(reg, 'standard_coef_')


# 0.23. warning about tol not having its correct default value.
Example #3
Source File: test_standardization.py    From causallib with Apache License 2.0 6 votes vote down vote up 
def ensure_many_models(self):
        from sklearn.ensemble import GradientBoostingRegressor, RandomForestRegressor
        from sklearn.neural_network import MLPRegressor
        from sklearn.linear_model import ElasticNet, RANSACRegressor, HuberRegressor, PassiveAggressiveRegressor
        from sklearn.neighbors import KNeighborsRegressor
        from sklearn.svm import SVR, LinearSVR

        import warnings
        from sklearn.exceptions import ConvergenceWarning
        warnings.filterwarnings('ignore', category=ConvergenceWarning)

        for learner in [GradientBoostingRegressor, RandomForestRegressor, MLPRegressor,
                        ElasticNet, RANSACRegressor, HuberRegressor, PassiveAggressiveRegressor,
                        KNeighborsRegressor, SVR, LinearSVR]:
            learner = learner()
            learner_name = str(learner).split("(", maxsplit=1)[0]
            with self.subTest("Test fit using {learner}".format(learner=learner_name)):
                model = self.estimator.__class__(learner)
                model.fit(self.data_lin["X"], self.data_lin["a"], self.data_lin["y"])
                self.assertTrue(True)  # Fit did not crash
Example #4
Source File: test_sklearn_glm_regressor_converter.py    From sklearn-onnx with MIT License 6 votes vote down vote up 
def test_model_passive_aggressive_regressor(self):
        model, X = fit_regression_model(
            linear_model.PassiveAggressiveRegressor())
        model_onnx = convert_sklearn(
            model, "passive aggressive regressor",
            [("input", FloatTensorType([None, X.shape[1]]))])
        self.assertIsNotNone(model_onnx)
        dump_data_and_model(
            X,
            model,
            model_onnx,
            verbose=False,
            basename="SklearnPassiveAggressiveRegressor-Dec4",
            allow_failure="StrictVersion("
            "onnxruntime.__version__)"
            "<= StrictVersion('0.2.1')",
        )
Example #5
Source File: test_passive_aggressive.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
def test_regressor_mse():
    y_bin = y.copy()
    y_bin[y != 1] = -1

    for data in (X, X_csr):
        for fit_intercept in (True, False):
            for average in (False, True):
                reg = PassiveAggressiveRegressor(
                    C=1.0, fit_intercept=fit_intercept,
                    random_state=0, average=average, max_iter=5)
                reg.fit(data, y_bin)
                pred = reg.predict(data)
                assert_less(np.mean((pred - y_bin) ** 2), 1.7)
                if average:
                    assert_true(hasattr(reg, 'average_coef_'))
                    assert_true(hasattr(reg, 'average_intercept_'))
                    assert_true(hasattr(reg, 'standard_intercept_'))
                    assert_true(hasattr(reg, 'standard_coef_'))
Example #6
Source File: test_passive_aggressive.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
def test_regressor_partial_fit():
    y_bin = y.copy()
    y_bin[y != 1] = -1

    for data in (X, X_csr):
        for average in (False, True):
            reg = PassiveAggressiveRegressor(
                C=1.0, fit_intercept=True, random_state=0,
                average=average, max_iter=100)
            for t in range(50):
                reg.partial_fit(data, y_bin)
            pred = reg.predict(data)
            assert_less(np.mean((pred - y_bin) ** 2), 1.7)
            if average:
                assert_true(hasattr(reg, 'average_coef_'))
                assert_true(hasattr(reg, 'average_intercept_'))
                assert_true(hasattr(reg, 'standard_intercept_'))
                assert_true(hasattr(reg, 'standard_coef_'))
Example #7
Source File: test_passive_aggressive.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
def test_regressor_correctness():
    y_bin = y.copy()
    y_bin[y != 1] = -1

    for loss in ("epsilon_insensitive", "squared_epsilon_insensitive"):
        reg1 = MyPassiveAggressive(
            C=1.0, loss=loss, fit_intercept=True, n_iter=2)
        reg1.fit(X, y_bin)

        for data in (X, X_csr):
            reg2 = PassiveAggressiveRegressor(
                C=1.0, tol=None, loss=loss, fit_intercept=True, max_iter=2,
                shuffle=False)
            reg2.fit(data, y_bin)

            assert_array_almost_equal(reg1.w, reg2.coef_.ravel(), decimal=2)
Example #8
Source File: test_passive_aggressive.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def test_regressor_correctness(loss):
    y_bin = y.copy()
    y_bin[y != 1] = -1

    reg1 = MyPassiveAggressive(
        C=1.0, loss=loss, fit_intercept=True, n_iter=2)
    reg1.fit(X, y_bin)

    for data in (X, X_csr):
        reg2 = PassiveAggressiveRegressor(
            C=1.0, tol=None, loss=loss, fit_intercept=True, max_iter=2,
            shuffle=False)
        reg2.fit(data, y_bin)

        assert_array_almost_equal(reg1.w, reg2.coef_.ravel(), decimal=2)
Example #9
Source File: test_passive_aggressive.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def test_regressor_undefined_methods():
    reg = PassiveAggressiveRegressor(max_iter=100)
    for meth in ("transform",):
        assert_raises(AttributeError, lambda x: getattr(reg, x), meth)
Example #10
Source File: test_doublyrobust.py    From causallib with Apache License 2.0 5 votes vote down vote up 
def ensure_many_models(self):
        from sklearn.ensemble import GradientBoostingRegressor, RandomForestRegressor
        from sklearn.neural_network import MLPRegressor
        from sklearn.linear_model import ElasticNet, RANSACRegressor, HuberRegressor, PassiveAggressiveRegressor
        from sklearn.neighbors import KNeighborsRegressor
        from sklearn.svm import SVR, LinearSVR

        from sklearn.ensemble import GradientBoostingClassifier, RandomForestClassifier
        from sklearn.neural_network import MLPClassifier
        from sklearn.neighbors import KNeighborsClassifier

        from sklearn.exceptions import ConvergenceWarning
        warnings.filterwarnings('ignore', category=ConvergenceWarning)

        data = self.create_uninformative_ox_dataset()
        for propensity_learner in [GradientBoostingClassifier(n_estimators=10),
                                   RandomForestClassifier(n_estimators=100),
                                   MLPClassifier(hidden_layer_sizes=(5,)),
                                   KNeighborsClassifier(n_neighbors=20)]:
            weight_model = IPW(propensity_learner)
            propensity_learner_name = str(propensity_learner).split("(", maxsplit=1)[0]
            for outcome_learner in [GradientBoostingRegressor(n_estimators=10), RandomForestRegressor(n_estimators=10),
                                    MLPRegressor(hidden_layer_sizes=(5,)),
                                    ElasticNet(), RANSACRegressor(), HuberRegressor(), PassiveAggressiveRegressor(),
                                    KNeighborsRegressor(), SVR(), LinearSVR()]:
                outcome_learner_name = str(outcome_learner).split("(", maxsplit=1)[0]
                outcome_model = Standardization(outcome_learner)

                with self.subTest("Test fit & predict using {} & {}".format(propensity_learner_name,
                                                                            outcome_learner_name)):
                    model = self.estimator.__class__(outcome_model, weight_model)
                    model.fit(data["X"], data["a"], data["y"], refit_weight_model=False)
                    model.estimate_individual_outcome(data["X"], data["a"])
                    self.assertTrue(True)  # Fit did not crash
Example #11
Source File: test_linear_model.py    From pandas-ml with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_objectmapper(self):
        df = pdml.ModelFrame([])
        self.assertIs(df.linear_model.ARDRegression, lm.ARDRegression)
        self.assertIs(df.linear_model.BayesianRidge, lm.BayesianRidge)
        self.assertIs(df.linear_model.ElasticNet, lm.ElasticNet)
        self.assertIs(df.linear_model.ElasticNetCV, lm.ElasticNetCV)

        self.assertIs(df.linear_model.HuberRegressor, lm.HuberRegressor)

        self.assertIs(df.linear_model.Lars, lm.Lars)
        self.assertIs(df.linear_model.LarsCV, lm.LarsCV)
        self.assertIs(df.linear_model.Lasso, lm.Lasso)
        self.assertIs(df.linear_model.LassoCV, lm.LassoCV)
        self.assertIs(df.linear_model.LassoLars, lm.LassoLars)
        self.assertIs(df.linear_model.LassoLarsCV, lm.LassoLarsCV)
        self.assertIs(df.linear_model.LassoLarsIC, lm.LassoLarsIC)

        self.assertIs(df.linear_model.LinearRegression, lm.LinearRegression)
        self.assertIs(df.linear_model.LogisticRegression, lm.LogisticRegression)
        self.assertIs(df.linear_model.LogisticRegressionCV, lm.LogisticRegressionCV)
        self.assertIs(df.linear_model.MultiTaskLasso, lm.MultiTaskLasso)
        self.assertIs(df.linear_model.MultiTaskElasticNet, lm.MultiTaskElasticNet)
        self.assertIs(df.linear_model.MultiTaskLassoCV, lm.MultiTaskLassoCV)
        self.assertIs(df.linear_model.MultiTaskElasticNetCV, lm.MultiTaskElasticNetCV)

        self.assertIs(df.linear_model.OrthogonalMatchingPursuit, lm.OrthogonalMatchingPursuit)
        self.assertIs(df.linear_model.OrthogonalMatchingPursuitCV, lm.OrthogonalMatchingPursuitCV)
        self.assertIs(df.linear_model.PassiveAggressiveClassifier, lm.PassiveAggressiveClassifier)
        self.assertIs(df.linear_model.PassiveAggressiveRegressor, lm.PassiveAggressiveRegressor)

        self.assertIs(df.linear_model.Perceptron, lm.Perceptron)
        self.assertIs(df.linear_model.RandomizedLasso, lm.RandomizedLasso)
        self.assertIs(df.linear_model.RandomizedLogisticRegression, lm.RandomizedLogisticRegression)
        self.assertIs(df.linear_model.RANSACRegressor, lm.RANSACRegressor)
        self.assertIs(df.linear_model.Ridge, lm.Ridge)
        self.assertIs(df.linear_model.RidgeClassifier, lm.RidgeClassifier)
        self.assertIs(df.linear_model.RidgeClassifierCV, lm.RidgeClassifierCV)
        self.assertIs(df.linear_model.RidgeCV, lm.RidgeCV)
        self.assertIs(df.linear_model.SGDClassifier, lm.SGDClassifier)
        self.assertIs(df.linear_model.SGDRegressor, lm.SGDRegressor)
        self.assertIs(df.linear_model.TheilSenRegressor, lm.TheilSenRegressor)
Example #12
Source File: test_passive_aggressive.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_regressor_undefined_methods():
    reg = PassiveAggressiveRegressor(max_iter=100)
    for meth in ("transform",):
        assert_raises(AttributeError, lambda x: getattr(reg, x), meth)
Example #13
Source File: test_doublyrobust.py    From causallib with Apache License 2.0 4 votes vote down vote up 
def test_many_models(self):
        from sklearn.ensemble import GradientBoostingRegressor, RandomForestRegressor
        from sklearn.neural_network import MLPRegressor
        from sklearn.linear_model import ElasticNet, RANSACRegressor, HuberRegressor, PassiveAggressiveRegressor
        from sklearn.neighbors import KNeighborsRegressor
        from sklearn.svm import SVR, LinearSVR

        from sklearn.ensemble import GradientBoostingClassifier, RandomForestClassifier
        from sklearn.neural_network import MLPClassifier
        from sklearn.neighbors import KNeighborsClassifier

        from sklearn.exceptions import ConvergenceWarning
        warnings.filterwarnings('ignore', category=ConvergenceWarning)

        data = self.create_uninformative_ox_dataset()

        for propensity_learner in [GradientBoostingClassifier(n_estimators=10),
                                   RandomForestClassifier(n_estimators=100),
                                   MLPClassifier(hidden_layer_sizes=(5,)),
                                   KNeighborsClassifier(n_neighbors=20)]:
            weight_model = IPW(propensity_learner)
            propensity_learner_name = str(propensity_learner).split("(", maxsplit=1)[0]
            for outcome_learner in [GradientBoostingRegressor(n_estimators=10),
                                    RandomForestRegressor(n_estimators=10),
                                    RANSACRegressor(), HuberRegressor(), SVR(), LinearSVR()]:
                outcome_learner_name = str(outcome_learner).split("(", maxsplit=1)[0]
                outcome_model = Standardization(outcome_learner)

                with self.subTest("Test fit using {} & {}".format(propensity_learner_name, outcome_learner_name)):
                    model = self.estimator.__class__(outcome_model, weight_model)
                    model.fit(data["X"], data["a"], data["y"], refit_weight_model=False)
                    self.assertTrue(True)  # Fit did not crash

            for outcome_learner in [MLPRegressor(hidden_layer_sizes=(5,)), ElasticNet(),
                                    PassiveAggressiveRegressor(), KNeighborsRegressor()]:
                outcome_learner_name = str(outcome_learner).split("(", maxsplit=1)[0]
                outcome_model = Standardization(outcome_learner)

                with self.subTest("Test fit using {} & {}".format(propensity_learner_name, outcome_learner_name)):
                    model = self.estimator.__class__(outcome_model, weight_model)
                    with self.assertRaises(TypeError):
                        # Joffe forces learning with sample_weights,
                        # not all ML models support that and so calling should fail
                        model.fit(data["X"], data["a"], data["y"], refit_weight_model=False)