def test_make_component_list_from_actions():
    assert _make_component_list_from_actions([]) == []

    actions = [
        DataCheckAction(DataCheckActionCode.DROP_COL,
                        {"columns": ['some col']})
    ]
    assert _make_component_list_from_actions(actions) == [
        DropColumns(columns=['some col'])
    ]

    actions = [
        DataCheckAction(DataCheckActionCode.DROP_COL,
                        metadata={"columns": ['some col']}),
        DataCheckAction(DataCheckActionCode.IMPUTE_COL,
                        metadata={
                            "column": None,
                            "is_target": True,
                            "impute_strategy": "most_frequent"
                        })
    ]
    assert _make_component_list_from_actions(actions) == [
        DropColumns(columns=['some col']),
        TargetImputer(impute_strategy="most_frequent")
    ]
示例#2
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def test_make_component_list_from_actions():
    assert _make_component_list_from_actions([]) == []

    actions = [DataCheckAction(DataCheckActionCode.DROP_COL, {"columns": ['some col']})]
    assert _make_component_list_from_actions(actions) == [DropColumns(columns=['some col'])]

    actions_same_code = [DataCheckAction(DataCheckActionCode.DROP_COL, {"columns": ['some col']}),
                         DataCheckAction(DataCheckActionCode.DROP_COL, {"columns": ['some other col']})]
    assert _make_component_list_from_actions(actions_same_code) == [DropColumns(columns=['some col']),
                                                                    DropColumns(columns=['some other col'])]
示例#3
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文件: utils.py 项目: skvorekn/evalml
def _make_component_list_from_actions(actions):
    """
    Creates a list of components from the input DataCheckAction list

    Arguments:
        actions (list(DataCheckAction)): List of DataCheckAction objects used to create list of components

    Returns:
        List of components used to address the input actions
    """
    components = []
    for action in actions:
        if action.action_code == DataCheckActionCode.DROP_COL:
            components.append(DropColumns(columns=action.details["columns"]))
    return components
示例#4
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def _make_component_list_from_actions(actions):
    """
    Creates a list of components from the input DataCheckAction list

    Arguments:
        actions (list(DataCheckAction)): List of DataCheckAction objects used to create list of components

    Returns:
        List of components used to address the input actions
    """
    components = []
    for action in actions:
        if action.action_code == DataCheckActionCode.DROP_COL:
            components.append(DropColumns(columns=action.metadata["columns"]))
        if action.action_code == DataCheckActionCode.IMPUTE_COL:
            metadata = action.metadata
            if metadata["is_target"]:
                components.append(TargetImputer(impute_strategy=metadata["impute_strategy"]))
    return components
示例#5
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def test_describe_component():
    enc = OneHotEncoder()
    imputer = Imputer()
    simple_imputer = SimpleImputer("mean")
    column_imputer = PerColumnImputer({"a": "mean", "b": ("constant", 100)})
    scaler = StandardScaler()
    feature_selection_clf = RFClassifierSelectFromModel(n_estimators=10, number_features=5, percent_features=0.3, threshold=-np.inf)
    feature_selection_reg = RFRegressorSelectFromModel(n_estimators=10, number_features=5, percent_features=0.3, threshold=-np.inf)
    drop_col_transformer = DropColumns(columns=['col_one', 'col_two'])
    drop_null_transformer = DropNullColumns()
    datetime = DateTimeFeaturizer()
    text_featurizer = TextFeaturizer()
    lsa = LSA()
    pca = PCA()
    lda = LinearDiscriminantAnalysis()
    ft = DFSTransformer()
    us = Undersampler()
    assert enc.describe(return_dict=True) == {'name': 'One Hot Encoder', 'parameters': {'top_n': 10,
                                                                                        'features_to_encode': None,
                                                                                        'categories': None,
                                                                                        'drop': 'if_binary',
                                                                                        'handle_unknown': 'ignore',
                                                                                        'handle_missing': 'error'}}
    assert imputer.describe(return_dict=True) == {'name': 'Imputer', 'parameters': {'categorical_impute_strategy': "most_frequent",
                                                                                    'categorical_fill_value': None,
                                                                                    'numeric_impute_strategy': "mean",
                                                                                    'numeric_fill_value': None}}
    assert simple_imputer.describe(return_dict=True) == {'name': 'Simple Imputer', 'parameters': {'impute_strategy': 'mean', 'fill_value': None}}
    assert column_imputer.describe(return_dict=True) == {'name': 'Per Column Imputer', 'parameters': {'impute_strategies': {'a': 'mean', 'b': ('constant', 100)}, 'default_impute_strategy': 'most_frequent'}}
    assert scaler.describe(return_dict=True) == {'name': 'Standard Scaler', 'parameters': {}}
    assert feature_selection_clf.describe(return_dict=True) == {'name': 'RF Classifier Select From Model', 'parameters': {'number_features': 5, 'n_estimators': 10, 'max_depth': None, 'percent_features': 0.3, 'threshold': -np.inf, 'n_jobs': -1}}
    assert feature_selection_reg.describe(return_dict=True) == {'name': 'RF Regressor Select From Model', 'parameters': {'number_features': 5, 'n_estimators': 10, 'max_depth': None, 'percent_features': 0.3, 'threshold': -np.inf, 'n_jobs': -1}}
    assert drop_col_transformer.describe(return_dict=True) == {'name': 'Drop Columns Transformer', 'parameters': {'columns': ['col_one', 'col_two']}}
    assert drop_null_transformer.describe(return_dict=True) == {'name': 'Drop Null Columns Transformer', 'parameters': {'pct_null_threshold': 1.0}}
    assert datetime.describe(return_dict=True) == {'name': 'DateTime Featurization Component',
                                                   'parameters': {'features_to_extract': ['year', 'month', 'day_of_week', 'hour'],
                                                                  'encode_as_categories': False}}
    assert text_featurizer.describe(return_dict=True) == {'name': 'Text Featurization Component', 'parameters': {}}
    assert lsa.describe(return_dict=True) == {'name': 'LSA Transformer', 'parameters': {}}
    assert pca.describe(return_dict=True) == {'name': 'PCA Transformer', 'parameters': {'n_components': None, 'variance': 0.95}}
    assert lda.describe(return_dict=True) == {'name': 'Linear Discriminant Analysis Transformer', 'parameters': {'n_components': None}}
    assert ft.describe(return_dict=True) == {'name': 'DFS Transformer', 'parameters': {"index": "index"}}
    assert us.describe(return_dict=True) == {'name': 'Undersampler', 'parameters': {"balanced_ratio": 4, "min_samples": 100, "min_percentage": 0.1}}
    # testing estimators
    base_classifier = BaselineClassifier()
    base_regressor = BaselineRegressor()
    lr_classifier = LogisticRegressionClassifier()
    en_classifier = ElasticNetClassifier()
    en_regressor = ElasticNetRegressor()
    et_classifier = ExtraTreesClassifier(n_estimators=10, max_features="auto")
    et_regressor = ExtraTreesRegressor(n_estimators=10, max_features="auto")
    rf_classifier = RandomForestClassifier(n_estimators=10, max_depth=3)
    rf_regressor = RandomForestRegressor(n_estimators=10, max_depth=3)
    linear_regressor = LinearRegressor()
    svm_classifier = SVMClassifier()
    svm_regressor = SVMRegressor()
    assert base_classifier.describe(return_dict=True) == {'name': 'Baseline Classifier', 'parameters': {'strategy': 'mode'}}
    assert base_regressor.describe(return_dict=True) == {'name': 'Baseline Regressor', 'parameters': {'strategy': 'mean'}}
    assert lr_classifier.describe(return_dict=True) == {'name': 'Logistic Regression Classifier', 'parameters': {'penalty': 'l2', 'C': 1.0, 'n_jobs': -1, 'multi_class': 'auto', 'solver': 'lbfgs'}}
    assert en_classifier.describe(return_dict=True) == {'name': 'Elastic Net Classifier', 'parameters': {'alpha': 0.5, 'l1_ratio': 0.5, 'n_jobs': -1, 'max_iter': 1000, "loss": 'log', 'penalty': 'elasticnet'}}
    assert en_regressor.describe(return_dict=True) == {'name': 'Elastic Net Regressor', 'parameters': {'alpha': 0.5, 'l1_ratio': 0.5, 'max_iter': 1000, 'normalize': False}}
    assert et_classifier.describe(return_dict=True) == {'name': 'Extra Trees Classifier', 'parameters': {'n_estimators': 10, 'max_features': 'auto', 'max_depth': 6, 'min_samples_split': 2, 'min_weight_fraction_leaf': 0.0, 'n_jobs': -1}}
    assert et_regressor.describe(return_dict=True) == {'name': 'Extra Trees Regressor', 'parameters': {'n_estimators': 10, 'max_features': 'auto', 'max_depth': 6, 'min_samples_split': 2, 'min_weight_fraction_leaf': 0.0, 'n_jobs': -1}}
    assert rf_classifier.describe(return_dict=True) == {'name': 'Random Forest Classifier', 'parameters': {'n_estimators': 10, 'max_depth': 3, 'n_jobs': -1}}
    assert rf_regressor.describe(return_dict=True) == {'name': 'Random Forest Regressor', 'parameters': {'n_estimators': 10, 'max_depth': 3, 'n_jobs': -1}}
    assert linear_regressor.describe(return_dict=True) == {'name': 'Linear Regressor', 'parameters': {'fit_intercept': True, 'normalize': False, 'n_jobs': -1}}
    assert svm_classifier.describe(return_dict=True) == {'name': 'SVM Classifier', 'parameters': {'C': 1.0, 'kernel': 'rbf', 'gamma': 'scale', 'probability': True}}
    assert svm_regressor.describe(return_dict=True) == {'name': 'SVM Regressor', 'parameters': {'C': 1.0, 'kernel': 'rbf', 'gamma': 'scale'}}
    try:
        xgb_classifier = XGBoostClassifier(eta=0.1, min_child_weight=1, max_depth=3, n_estimators=75)
        xgb_regressor = XGBoostRegressor(eta=0.1, min_child_weight=1, max_depth=3, n_estimators=75)
        assert xgb_classifier.describe(return_dict=True) == {'name': 'XGBoost Classifier', 'parameters': {'eta': 0.1, 'max_depth': 3, 'min_child_weight': 1, 'n_estimators': 75}}
        assert xgb_regressor.describe(return_dict=True) == {'name': 'XGBoost Regressor', 'parameters': {'eta': 0.1, 'max_depth': 3, 'min_child_weight': 1, 'n_estimators': 75}}
    except ImportError:
        pass
    try:
        cb_classifier = CatBoostClassifier()
        cb_regressor = CatBoostRegressor()
        assert cb_classifier.describe(return_dict=True) == {'name': 'CatBoost Classifier', 'parameters': {'allow_writing_files': False, 'n_estimators': 10, 'eta': 0.03, 'max_depth': 6, 'bootstrap_type': None, 'silent': True}}
        assert cb_regressor.describe(return_dict=True) == {'name': 'CatBoost Regressor', 'parameters': {'allow_writing_files': False, 'n_estimators': 10, 'eta': 0.03, 'max_depth': 6, 'bootstrap_type': None, 'silent': False}}
    except ImportError:
        pass
    try:
        lg_classifier = LightGBMClassifier()
        lg_regressor = LightGBMRegressor()
        assert lg_classifier.describe(return_dict=True) == {'name': 'LightGBM Classifier', 'parameters': {'boosting_type': 'gbdt', 'learning_rate': 0.1, 'n_estimators': 100, 'max_depth': 0, 'num_leaves': 31,
                                                                                                          'min_child_samples': 20, 'n_jobs': -1, 'bagging_fraction': 0.9, 'bagging_freq': 0}}
        assert lg_regressor.describe(return_dict=True) == {'name': 'LightGBM Regressor', 'parameters': {'boosting_type': 'gbdt', 'learning_rate': 0.1, 'n_estimators': 20, 'max_depth': 0, 'num_leaves': 31,
                                                                                                        'min_child_samples': 20, 'n_jobs': -1, 'bagging_fraction': 0.9, 'bagging_freq': 0}}
    except ImportError:
        pass