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lianjiaSpider

链家成交数据爬虫,爬取某个小区的成交记录,支持记录去重和自动翻页

成交结果页:https://bj.lianjia.com/chengjiao/c1111027380378/?sug=卧龙小区,可以从中提取社区id (c1111027380378)作为爬虫的启动参数

运维

scrapy crawl lianjiadealspider -a communityid=c1111027376953 -a pagelimit=1

AHP决策分析

python -m pyahp -f district_decision.json

教程

scrapy教程

scrapy官网

scrapy selector

链家数据爬取

https://github.com/cnkai/lianjia/tree/master/lianjia/lianjia

https://blog.csdn.net/wantbar/article/details/78944977

https://www.cnblogs.com/cnkai/p/7405349.html

https://www.cnblogs.com/cnkai/p/7404972.html

https://www.jianshu.com/p/f426478b99c4

https://zhuanlan.zhihu.com/p/25240050

https://python.ctolib.com/sunrise10-lianjia.html

数据分析要回答的问题

  1. 小区都有哪些户型和朝向,年代如何?用于选择意向户型
  2. 小区成交活跃的户型和朝向是哪种?用于考虑未来流动性
  3. 意向户型锚定价格是多少?挂牌价和成交价近几年的gap如何?用于谈判时的价格策略

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