本文整理汇总了Python中tpot.TPOT._rfe方法的典型用法代码示例。如果您正苦于以下问题:Python TPOT._rfe方法的具体用法?Python TPOT._rfe怎么用?Python TPOT._rfe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类tpot.TPOT
的用法示例。
在下文中一共展示了TPOT._rfe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_rfe_2
# 需要导入模块: from tpot import TPOT [as 别名]
# 或者: from tpot.TPOT import _rfe [as 别名]
def test_rfe_2():
"""Ensure that the TPOT RFE outputs the same result as the sklearn rfe when num_features>no. of features in the dataframe """
tpot_obj = TPOT()
non_feature_columns = ['class', 'group', 'guess']
training_features = training_testing_data.loc[training_testing_data['group'] == 'training'].drop(non_feature_columns, axis=1)
estimator = LinearSVC()
rfe = RFE(estimator, 100, step=0.1)
rfe.fit(training_features, training_classes)
mask = rfe.get_support(True)
mask_cols = list(training_features.iloc[:, mask].columns) + non_feature_columns
assert np.array_equal(training_testing_data[mask_cols], tpot_obj._rfe(training_testing_data, 64, 0.1))
示例2: test_rfe
# 需要导入模块: from tpot import TPOT [as 别名]
# 或者: from tpot.TPOT import _rfe [as 别名]
def test_rfe():
"""Ensure that the TPOT RFE outputs the input dataframe when no. of training features is 0"""
tpot_obj = TPOT()
assert np.array_equal(tpot_obj._rfe(training_testing_data.ix[:, -3:], 0, 0.1), training_testing_data.ix[:, -3:])