コード例 #1
0
class RegressionBunchTests(unittest.TestCase):
    def setUp(self):
        X_train, y_train, X_test, y_test = titanic_fare()
        self.test_len = len(X_test)

        train_names, test_names = titanic_names()
        _, self.names = titanic_names()

        model = RandomForestRegressor(n_estimators=5, max_depth=2)
        model.fit(X_train, y_train)

        self.explainer = RegressionExplainer(
            model,
            X_test,
            y_test,
            r2_score,
            cats=[{
                'Gender': ['Sex_female', 'Sex_male', 'Sex_nan']
            }, 'Deck', 'Embarked'],
            idxs=test_names)

    def test_residuals(self):
        self.assertIsInstance(self.explainer.residuals, pd.Series)

    def test_prediction_result_markdown(self):
        result_index = self.explainer.prediction_result_markdown(0)
        self.assertIsInstance(result_index, str)
        result_name = self.explainer.prediction_result_markdown(self.names[0])
        self.assertIsInstance(result_name, str)

    def test_metrics(self):
        metrics_dict = self.explainer.metrics()
        self.assertIsInstance(metrics_dict, dict)
        self.assertTrue('root_mean_squared_error' in metrics_dict)
        self.assertTrue('mean_absolute_error' in metrics_dict)
        self.assertTrue('R-squared' in metrics_dict)
        self.assertIsInstance(self.explainer.metrics_descriptions(), dict)

    def test_plot_predicted_vs_actual(self):
        fig = self.explainer.plot_predicted_vs_actual(logs=False)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_predicted_vs_actual(logs=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_predicted_vs_actual(log_x=True, log_y=True)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_residuals(self):
        fig = self.explainer.plot_residuals()
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(vs_actual=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(residuals='ratio')
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(residuals='log-ratio')
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(residuals='log-ratio',
                                            vs_actual=True)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_residuals_vs_feature(self):
        fig = self.explainer.plot_residuals_vs_feature("Age")
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Age",
                                                       residuals='log-ratio')
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Age", dropna=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Gender", points=False)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Gender", winsor=10)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_y_vs_feature(self):
        fig = self.explainer.plot_y_vs_feature("Age")
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_y_vs_feature("Age", dropna=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_y_vs_feature("Gender", points=False)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_y_vs_feature("Gender", winsor=10)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_preds_vs_feature(self):
        fig = self.explainer.plot_preds_vs_feature("Age")
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_preds_vs_feature("Age", dropna=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_preds_vs_feature("Gender", points=False)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_preds_vs_feature("Gender", winsor=10)
        self.assertIsInstance(fig, go.Figure)
コード例 #2
0
class RegressionBunchTests(unittest.TestCase):
    def setUp(self):
        X_train, y_train, X_test, y_test = titanic_fare()
        self.test_len = len(X_test)

        train_names, test_names = titanic_names()
        _, self.names = titanic_names()

        model = RandomForestRegressor(n_estimators=5, max_depth=2)
        model.fit(X_train, y_train)

        self.explainer = RegressionExplainer(model,
                                             X_test,
                                             y_test,
                                             r2_score,
                                             shap='tree',
                                             cats=['Sex', 'Cabin', 'Embarked'],
                                             idxs=test_names)

    def test_residuals(self):
        self.assertIsInstance(self.explainer.residuals, pd.Series)

    def test_prediction_result_markdown(self):
        result_index = self.explainer.prediction_result_markdown(0)
        self.assertIsInstance(result_index, str)
        result_name = self.explainer.prediction_result_markdown(self.names[0])
        self.assertIsInstance(result_name, str)

    def test_metrics(self):
        metrics_dict = self.explainer.metrics()
        self.assertIsInstance(metrics_dict, dict)
        self.assertTrue('rmse' in metrics_dict)
        self.assertTrue('mae' in metrics_dict)
        self.assertTrue('R2' in metrics_dict)

    def test_plot_predicted_vs_actual(self):
        fig = self.explainer.plot_predicted_vs_actual(logs=False)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_predicted_vs_actual(logs=True)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_residuals(self):
        fig = self.explainer.plot_residuals()
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(vs_actual=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(ratio=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals(ratio=True, vs_actual=True)
        self.assertIsInstance(fig, go.Figure)

    def test_plot_residuals_vs_feature(self):
        fig = self.explainer.plot_residuals_vs_feature("Age")
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Age", ratio=True)
        self.assertIsInstance(fig, go.Figure)

        fig = self.explainer.plot_residuals_vs_feature("Age", dropna=True)
        self.assertIsInstance(fig, go.Figure)