ML之NB：基于NB朴素贝叶斯算法训练20类新闻文本数据集进行多分类预测
目录
输出结果
设计思路
核心代码
输出结果
设计思路
核心代码
vec = CountVectorizer()X_train = vec.fit_transform(X_train)X_test = vec.transform(X_test)mnb = MultinomialNB()mnb.fit(X_train, y_train) y_predict = mnb.predict(X_test) print('The accuracy of Naive Bayes Classifier is', mnb.score(X_test, y_test))
