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dataproject's Introduction

数据科学爬虫

  • 技术栈
    • requests
    • beautifulsoup4
  • 主要功能
    • 爬取新浪网2020年1月1日起至2021年10月31日的热榜数据,以及国内国外的热门新闻,总计约19w条
    • 对数据进行预处理,包括,分词、去除停用词、取名词,去掉top3的词,去掉仅出现在一篇文章的词
    • 将之前处理得到的词形成词典,并用词典重新表示每篇文章,得到文档的表示矩阵
    • 实现tf-idf的计算

dataproject's People

Contributors

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