Beispiel #1
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def test_predict_2():
    """Ensure that the TPOT predict function returns a DataFrame of shape (num_testing_rows,)"""

    tpot_obj = TPOT()
    tpot_obj._training_classes = training_classes
    tpot_obj._training_features = training_features
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('_logistic_regression(input_df, 1.0, 0, True)', tpot_obj._pset)

    result = tpot_obj.predict(testing_features)

    assert result.shape == (testing_features.shape[0],)
Beispiel #2
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def test_predict_2():
    """Ensure that the TPOT predict function returns a DataFrame of shape (num_testing_rows,)"""

    tpot_obj = TPOT()
    tpot_obj._training_classes = training_classes
    tpot_obj._training_features = training_features
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('_logistic_regression(input_df, 1.0, 0, True)', tpot_obj._pset)

    result = tpot_obj.predict(testing_features)

    assert result.shape == (testing_features.shape[0], )
Beispiel #3
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def test_score_2():
    """Ensure that the TPOT score function outputs a known score for a fixed pipeline"""

    tpot_obj = TPOT()
    tpot_obj._training_classes = training_classes
    tpot_obj._training_features = training_features
    tpot_obj.pbar = tqdm(total=1, disable=True)
    known_score = 0.981993770448  # Assumes use of the TPOT balanced_accuracy function

    # Reify pipeline with known score
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('_logistic_regression(input_df, 1.0, 0, True)', tpot_obj._pset)

    # 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)
Beispiel #4
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def test_score_2():
    """Ensure that the TPOT score function outputs a known score for a fixed pipeline"""

    tpot_obj = TPOT()
    tpot_obj._training_classes = training_classes
    tpot_obj._training_features = training_features
    tpot_obj.pbar = tqdm(total=1, disable=True)
    known_score = 0.981993770448  # Assumes use of the TPOT balanced_accuracy function

    # Reify pipeline with known score
    tpot_obj._optimized_pipeline = creator.Individual.\
        from_string('_logistic_regression(input_df, 1.0, 0, True)', tpot_obj._pset)

    # 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)