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Python TPOTClassifier.evaluated_individuals_[str(ind1)]方法代碼示例

本文整理匯總了Python中tpot.TPOTClassifier.evaluated_individuals_[str(ind1)]方法的典型用法代碼示例。如果您正苦於以下問題:Python TPOTClassifier.evaluated_individuals_[str(ind1)]方法的具體用法?Python TPOTClassifier.evaluated_individuals_[str(ind1)]怎麽用?Python TPOTClassifier.evaluated_individuals_[str(ind1)]使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在tpot.TPOTClassifier的用法示例。


在下文中一共展示了TPOTClassifier.evaluated_individuals_[str(ind1)]方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: test_mate_operator_stats_update

# 需要導入模塊: from tpot import TPOTClassifier [as 別名]
# 或者: from tpot.TPOTClassifier import evaluated_individuals_[str(ind1)] [as 別名]
def test_mate_operator_stats_update():
    """Assert that self._mate_operator updates stats as expected."""
    tpot_obj = TPOTClassifier()
    tpot_obj._fit_init()
    ind1 = creator.Individual.from_string(
        'KNeighborsClassifier('
        'BernoulliNB(input_matrix, BernoulliNB__alpha=10.0, BernoulliNB__fit_prior=False),'
        'KNeighborsClassifier__n_neighbors=10, '
        'KNeighborsClassifier__p=1, '
        'KNeighborsClassifier__weights=uniform'
        ')',
        tpot_obj._pset
    )
    ind2 = creator.Individual.from_string(
        'KNeighborsClassifier('
        'BernoulliNB(input_matrix, BernoulliNB__alpha=10.0, BernoulliNB__fit_prior=True),'
        'KNeighborsClassifier__n_neighbors=10, '
        'KNeighborsClassifier__p=2, '
        'KNeighborsClassifier__weights=uniform'
        ')',
        tpot_obj._pset
    )

    initialize_stats_dict(ind1)
    initialize_stats_dict(ind2)

    # Randomly mutate the statistics
    ind1.statistics["crossover_count"] = random.randint(0, 10)
    ind1.statistics["mutation_count"] = random.randint(0, 10)
    ind2.statistics["crossover_count"] = random.randint(0, 10)
    ind2.statistics["mutation_count"] = random.randint(0, 10)

    # set as evaluated pipelines in tpot_obj.evaluated_individuals_
    tpot_obj.evaluated_individuals_[str(ind1)] = tpot_obj._combine_individual_stats(2, 0.99, ind1.statistics)
    tpot_obj.evaluated_individuals_[str(ind2)] = tpot_obj._combine_individual_stats(2, 0.99, ind2.statistics)

    # Doing 10 tests
    for _ in range(10):
        offspring1, offspring2 = tpot_obj._mate_operator(ind1, ind2)

        assert offspring1.statistics['crossover_count'] == ind1.statistics['crossover_count'] + ind2.statistics['crossover_count'] + 1
        assert offspring1.statistics['mutation_count'] == ind1.statistics['mutation_count'] + ind2.statistics['mutation_count']
        assert offspring1.statistics['predecessor'] == (str(ind1), str(ind2))

        # Offspring replaces on of the two predecessors
        # Don't need to worry about cloning
        if random.random() < 0.5:
            ind1 = offspring1
        else:
            ind2 = offspring1
開發者ID:EpistasisLab,項目名稱:tpot,代碼行數:52,代碼來源:stats_test.py


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