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Python evaluate.scoring函数代码示例

本文整理汇总了Python中mlxtend.evaluate.scoring函数的典型用法代码示例。如果您正苦于以下问题:Python scoring函数的具体用法?Python scoring怎么用?Python scoring使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了scoring函数的15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_metric_argument

def test_metric_argument():
    "Test exception is raised when user provides invalid metric argument"
    try:
        scoring(y_target=[1], y_predicted=[1], metric='test')
        assert False
    except AttributeError:
        assert True
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例2: test_y_arguments

def test_y_arguments():
    "Test exception is raised when user provides invalid vectors"
    try:
        scoring(y_target=[1, 2], y_predicted=[1])
        assert False
    except AttributeError:
        assert True
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例3: test_binary

def test_binary():
    "Test exception is raised if label is not binary in f1"
    try:
        y_targ = [1, 1, 1, 0, 0, 2, 0, 3]
        y_pred = [1, 0, 1, 0, 0, 2, 1, 3]
        scoring(y_target=y_targ, y_predicted=y_pred, metric='f1')
        assert False
    except AttributeError:
        assert True
开发者ID:rasbt,项目名称:mlxtend,代码行数:9,代码来源:test_scoring.py

示例4: test_falsepositiverate

def test_falsepositiverate():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ,
                  y_predicted=y_pred,
                  metric='false_positive_rate')
    assert round(res, 3) == 0.333, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例5: test_avg_perclass_error

def test_avg_perclass_error():
    y_targ = np.array([0, 0, 0, 1, 1, 1, 1, 1, 2, 2])
    y_pred = np.array([0, 1, 1, 0, 1, 1, 2, 2, 2, 2])
    res = scoring(y_target=y_targ,
                  y_predicted=y_pred,
                  metric='per-class error')
    assert round(res, 3) == 0.333, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例6: test_avg_perclass_accuracy

def test_avg_perclass_accuracy():
    y_targ = np.array([0, 0, 0, 1, 1, 1, 1, 1, 2, 2])
    y_pred = np.array([0, 1, 1, 0, 1, 1, 2, 2, 2, 2])
    res = scoring(y_target=y_targ,
                  y_predicted=y_pred,
                  metric='per-class accuracy')
    assert round(res, 3) == 0.667, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例7: test_matthews_corr_coef

def test_matthews_corr_coef():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ,
                  y_predicted=y_pred,
                  metric='matthews_corr_coef')
    assert round(res, 3) == 0.258, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:7,代码来源:test_scoring.py

示例8: test_sensitivity

def test_sensitivity():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='sensitivity')
    assert round(res, 3) == 0.6, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py

示例9: test_specificity

def test_specificity():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='specificity')
    assert round(res, 3) == 0.667, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py

示例10: test_recall

def test_recall():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='recall')
    assert round(res, 3) == 0.6, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py

示例11: test_precision

def test_precision():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='precision')
    assert round(res, 3) == 0.75, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py

示例12: test_error

def test_error():
    "Test error metric"
    y_targ = [1, 1, 1, 0, 0, 2, 0, 3]
    y_pred = [1, 0, 1, 0, 0, 2, 1, 3]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='error')
    assert res == 0.25
开发者ID:rasbt,项目名称:mlxtend,代码行数:6,代码来源:test_scoring.py

示例13: test_accuracy

def test_accuracy():
    "Test accuracy metric"
    y_targ = [1, 1, 1, 0, 0, 2, 0, 3]
    y_pred = [1, 0, 1, 0, 0, 2, 1, 3]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='accuracy')
    assert res == 0.75
开发者ID:rasbt,项目名称:mlxtend,代码行数:6,代码来源:test_scoring.py

示例14: test_f1

def test_f1():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric='f1')
    assert round(res, 3) == 0.667, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py

示例15: test_truepositiverate

def test_truepositiverate():
    y_targ = [1, 1, 1, 0, 0, 1, 0, 1]
    y_pred = [1, 0, 1, 0, 0, 0, 1, 1]
    res = scoring(y_target=y_targ, y_predicted=y_pred, metric="true_positive_rate")
    assert round(res, 3) == 0.6, res
开发者ID:rasbt,项目名称:mlxtend,代码行数:5,代码来源:test_scoring.py


注:本文中的mlxtend.evaluate.scoring函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。