视频讲解：基于机器学习的上证指数、东方股吧的股市评论情感分析 完整代码数_哔哩哔哩_bilibili
所使用模型LinearSVC,LogisticReg,SGD,MultinomialNB,KNN,DecisionTree,RandomForest,AdaBoost
代码：
import osfrom time import timeimport pandas as pdimport numpy as npimport picklefrom sklearn.feature_extraction.text import TfidfVectorizer, CountVectorizerfrom sklearn.model_selection import train_test_split, cross_val_score, KFoldfrom sklearn.feature_selection import SelectKBest, chi2
