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Python SimpleClassificationPipeline.pipeline_方法代码示例

本文整理汇总了Python中autosklearn.pipeline.classification.SimpleClassificationPipeline.pipeline_方法的典型用法代码示例。如果您正苦于以下问题:Python SimpleClassificationPipeline.pipeline_方法的具体用法?Python SimpleClassificationPipeline.pipeline_怎么用?Python SimpleClassificationPipeline.pipeline_使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在autosklearn.pipeline.classification.SimpleClassificationPipeline的用法示例。


在下文中一共展示了SimpleClassificationPipeline.pipeline_方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_predict_batched

# 需要导入模块: from autosklearn.pipeline.classification import SimpleClassificationPipeline [as 别名]
# 或者: from autosklearn.pipeline.classification.SimpleClassificationPipeline import pipeline_ [as 别名]
    def test_predict_batched(self):
        cs = SimpleClassificationPipeline.get_hyperparameter_search_space()
        default = cs.get_default_configuration()
        cls = SimpleClassificationPipeline(default)

        # Multiclass
        X_train, Y_train, X_test, Y_test = get_dataset(dataset="digits")
        cls.fit(X_train, Y_train)
        X_test_ = X_test.copy()
        prediction_ = cls.predict(X_test_)
        cls_predict = mock.Mock(wraps=cls.pipeline_)
        cls.pipeline_ = cls_predict
        prediction = cls.predict(X_test, batch_size=20)
        self.assertEqual((1647,), prediction.shape)
        self.assertEqual(83, cls_predict.predict.call_count)
        assert_array_almost_equal(prediction_, prediction)

        # Multilabel
        X_train, Y_train, X_test, Y_test = get_dataset(dataset="digits")
        Y_train = np.array(list([(list([1 if i != y else 0 for i in range(10)])) for y in Y_train]))
        cls.fit(X_train, Y_train)
        X_test_ = X_test.copy()
        prediction_ = cls.predict(X_test_)
        cls_predict = mock.Mock(wraps=cls.pipeline_)
        cls.pipeline_ = cls_predict
        prediction = cls.predict(X_test, batch_size=20)
        self.assertEqual((1647, 10), prediction.shape)
        self.assertEqual(83, cls_predict.predict.call_count)
        assert_array_almost_equal(prediction_, prediction)
开发者ID:Ayaro,项目名称:auto-sklearn,代码行数:31,代码来源:test_classification.py

示例2: test_predict_batched_sparse

# 需要导入模块: from autosklearn.pipeline.classification import SimpleClassificationPipeline [as 别名]
# 或者: from autosklearn.pipeline.classification.SimpleClassificationPipeline import pipeline_ [as 别名]
    def test_predict_batched_sparse(self):
        cs = SimpleClassificationPipeline.get_hyperparameter_search_space(dataset_properties={"sparse": True})
        config = Configuration(
            cs,
            values={
                "balancing:strategy": "none",
                "classifier:__choice__": "random_forest",
                "imputation:strategy": "mean",
                "one_hot_encoding:minimum_fraction": 0.01,
                "one_hot_encoding:use_minimum_fraction": "True",
                "preprocessor:__choice__": "no_preprocessing",
                "classifier:random_forest:bootstrap": "True",
                "classifier:random_forest:criterion": "gini",
                "classifier:random_forest:max_depth": "None",
                "classifier:random_forest:min_samples_split": 2,
                "classifier:random_forest:min_samples_leaf": 2,
                "classifier:random_forest:max_features": 0.5,
                "classifier:random_forest:max_leaf_nodes": "None",
                "classifier:random_forest:n_estimators": 100,
                "classifier:random_forest:min_weight_fraction_leaf": 0.0,
                "rescaling:__choice__": "min/max",
            },
        )
        cls = SimpleClassificationPipeline(config)

        # Multiclass
        X_train, Y_train, X_test, Y_test = get_dataset(dataset="digits", make_sparse=True)
        cls.fit(X_train, Y_train)
        X_test_ = X_test.copy()
        prediction_ = cls.predict(X_test_)
        cls_predict = mock.Mock(wraps=cls.pipeline_)
        cls.pipeline_ = cls_predict
        prediction = cls.predict(X_test, batch_size=20)
        self.assertEqual((1647,), prediction.shape)
        self.assertEqual(83, cls_predict.predict.call_count)
        assert_array_almost_equal(prediction_, prediction)

        # Multilabel
        X_train, Y_train, X_test, Y_test = get_dataset(dataset="digits", make_sparse=True)
        Y_train = np.array(list([(list([1 if i != y else 0 for i in range(10)])) for y in Y_train]))
        cls.fit(X_train, Y_train)
        X_test_ = X_test.copy()
        prediction_ = cls.predict(X_test_)
        cls_predict = mock.Mock(wraps=cls.pipeline_)
        cls.pipeline_ = cls_predict
        prediction = cls.predict(X_test, batch_size=20)
        self.assertEqual((1647, 10), prediction.shape)
        self.assertEqual(83, cls_predict.predict.call_count)
        assert_array_almost_equal(prediction_, prediction)
开发者ID:Ayaro,项目名称:auto-sklearn,代码行数:51,代码来源:test_classification.py


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