13-2 soft voting
自己实现集成学习
Hard Voting Classifier
from sklearn.ensemble import VotingClassifier
from sklearn.ensemble import VotingClassifier
from sklearn.linear_model import LogisticRegression
from sklearn.svm import SVC
from sklearn.tree import DecisionTreeClassifier
voting_clf = VotingClassifier(estimators=[
('log_clf', LogisticRegression()),
('svm_clf', SVC()),
('dt_clf', DecisionTreeClassifier(random_state=666))
], voting='hard')
voting_clf.fit(X_train, y_train)
voting_clf.score(X_test, y_test)Soft Voting Classifier
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