Scikit learn 如何列出测试集中预测错误的行?
我们使用这样的代码来测量精度,但我想检查哪些行的预测是错误的。我怎么能做这样的事Scikit learn 如何列出测试集中预测错误的行?,scikit-learn,Scikit Learn,我们使用这样的代码来测量精度,但我想检查哪些行的预测是错误的。我怎么能做这样的事 text_mnb_lemmatized = Pipeline([('vect', lemma_count_vect), ('tfidf', TfidfTransformer(sublinear_tf=True, use_idf=False)), ('mnb', MultinomialNB(a
text_mnb_lemmatized = Pipeline([('vect', lemma_count_vect),
('tfidf', TfidfTransformer(sublinear_tf=True, use_idf=False)),
('mnb', MultinomialNB(alpha=0.1, fit_prior=True))])
text_mnb_lemmatized = text_mnb_lemmatized.fit(train_data['CDESCR'], train_data['COMPID'])
predicted_mnb_lemmatized = text_mnb_lemmatized.predict(test_data['CDESCR'])
np.mean(predicted_mnb_lemmatized == test_data['COMPID'])
假设
test\u data
是一个数据帧:
test_data[predicted_mnb_lemmatized != test_data['COMPID']]
假设
test\u data
是一个数据帧:
test_data[predicted_mnb_lemmatized != test_data['COMPID']]