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Python TPOT._fitted_pipeline方法代码示例

本文整理汇总了Python中tpot.TPOT._fitted_pipeline方法的典型用法代码示例。如果您正苦于以下问题:Python TPOT._fitted_pipeline方法的具体用法?Python TPOT._fitted_pipeline怎么用?Python TPOT._fitted_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tpot.TPOT的用法示例。


在下文中一共展示了TPOT._fitted_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_2

# 需要导入模块: from tpot import TPOT [as 别名]
# 或者: from tpot.TPOT import _fitted_pipeline [as 别名]
def test_predict_2():
    """Assert that the TPOT predict function returns a numpy matrix of shape (num_testing_rows,)"""

    tpot_obj = TPOT()
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('DecisionTreeClassifier(input_matrix)', tpot_obj._pset)
    tpot_obj._fitted_pipeline = tpot_obj._toolbox.compile(expr=tpot_obj._optimized_pipeline)
    tpot_obj._fitted_pipeline.fit(training_features, training_classes)

    result = tpot_obj.predict(testing_features)

    assert result.shape == (testing_features.shape[0],)
开发者ID:TuanNguyen27,项目名称:tpot,代码行数:14,代码来源:tests.py

示例2: test_score_2

# 需要导入模块: from tpot import TPOT [as 别名]
# 或者: from tpot.TPOT import _fitted_pipeline [as 别名]
def test_score_2():
    """Assert that the TPOT score function outputs a known score for a fixed pipeline"""

    tpot_obj = TPOT()
    tpot_obj.pbar = tqdm(total=1, disable=True)
    known_score = 0.986318199045  # Assumes use of the TPOT balanced_accuracy function

    # Reify pipeline with known score
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('RandomForestClassifier(input_matrix)', tpot_obj._pset)
    tpot_obj._fitted_pipeline = tpot_obj._toolbox.compile(expr=tpot_obj._optimized_pipeline)
    tpot_obj._fitted_pipeline.fit(training_features, training_classes)

    # Get score from TPOT
    score = tpot_obj.score(testing_features, testing_classes)

    # http://stackoverflow.com/questions/5595425/
    def isclose(a, b, rel_tol=1e-09, abs_tol=0.0):
        return abs(a - b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)

    assert isclose(known_score, score)
开发者ID:TuanNguyen27,项目名称:tpot,代码行数:23,代码来源:tests.py


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