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jingdong_comment

jingdong_store -meidi- comment

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  • 针对京东商城20W条美的热水器评论数据进行统计清洗分析。
  • 分析出所有正面评论和负面评论。
  • 分词统计热词出现频率。
  • 分析出销售问题所在。

本项目的文本情感分析使用的是基于情感字典的文本情感分析。 为了能够正确标注一段中文文本的情感。需要如下几个情感字典: ①停用词字典:用于过滤掉一段文本中的噪声词组。 ②情感词字典:用于得到一段文本中带有情感色彩的词组及其评分。 ③程度副词字典:代表情感词的强烈程度,相当于情感词的权重。 ④否定词字典:用于判断其后情感词的意思究竟是好(正极性)还是坏(负极性),若情感词前有否定词,则情感得分-1。 情感字典以及评分通常由手工标注完成,而标注是一项费时又费力的活,因此这四个字典都是由网络搜集而来。 在这里插入图片描述

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