已经将项目的关键文件上传，包含微博爬虫、LDA主题分析和情感分析三个部分。
1.微博爬虫
实现微博评论爬取和微博用户信息爬取，一天大概十万条。
2.LDA主题分析
实现文档主题抽取，包括数据清洗及分词、主题数的确定（主题一致性和困惑度）和最优主题模型的选择（暴力搜索）。
3.情感分析
实现评论文本的情感值计算，准确率超过97%，处于0到1之间。
一套完整的微博舆情分析流程代码，包括微博爬虫、LDA主题分析和情感分析。
Overview
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