Python Sklearn-在标量属性通过管道并包装在GridSearchCV中后访问标量属性
我有一个管道,就像我传递给GridSearchCV的管道一样,如何从clf访问scaler的属性Python Sklearn-在标量属性通过管道并包装在GridSearchCV中后访问标量属性,python,machine-learning,scikit-learn,Python,Machine Learning,Scikit Learn,我有一个管道,就像我传递给GridSearchCV的管道一样,如何从clf访问scaler的属性 pipe = Pipeline([ ('scale', MinMaxScaler()), ('clf', tree.DecisionTreeClassifier(presort=True)) ]) pipe_param_grid = { 'clf__min_samples_split': [2, 4, 6],
pipe = Pipeline([
('scale', MinMaxScaler()),
('clf', tree.DecisionTreeClassifier(presort=True))
])
pipe_param_grid = {
'clf__min_samples_split': [2, 4, 6],
'clf__random_state': [38, 40, 42, 44],
'clf__max_depth': [4],
'clf__min_samples_leaf': [2, 4],
}
clf = GridSearchCV(estimator=pipe,param_grid=pipe_param_grid)
- Python:2.7.10
- scikit学习:0.18.1
- 找到了答案。我可以访问以下步骤属性:
clf.best_estimator_.named_steps['scale'].scale_