Python cost_sensitive_label示例

示例#1

文件： test_pyvw.py 项目： wayne9qiu/vowpal_wabbit

def test_cost_sensitive_label():
    model = vw(csoaa=4, quiet=True)
    csl = pyvw.cost_sensitive_label(model.example("2:5 |"))
    assert csl.costs[0].label == 2
    assert csl.costs[0].wap_value == 0.0
    assert csl.costs[0].partial_prediction == 0.0
    assert csl.costs[0].cost == 5.0
    assert str(csl) == "2:5.0"
    del model

示例#2

文件： test_pyvw.py 项目： JohnLangford/vowpal_wabbit

def test_cost_sensitive_label():
    model = vw(csoaa=4, quiet=True)
    assert pyvw.cost_sensitive_label(model.example('1 |')).costs[0].label == 1
    del model

示例#3

文件： test_pyvw.py 项目： creativewebmatrixsolutions/CWMS-vowpal_wabbit

def test_cost_sensitive_label():
    model = vw(csoaa=4, quiet=True)
    assert pyvw.cost_sensitive_label(model.example('1 |')).costs[0].label == 1
    del model