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scrapy-playground's Introduction

Borg 的scrapy爬虫、python数据清洗、R语言可视化项目

抓取python招聘信息,获取经纬度,经纬度还需要进一步转换成国际标准,最后在地图上可视化。 最后产出的R语言写的可视化报告: 因为html文件比较大,两兆多,github网站国内网速又不是很快,如果加载过慢可以用七牛外链,还可通过rpub访问,后续更新可能不会更新七牛和rpub,代码仓库内 R-visualization 文件夹下的html文件会是最新版本。

大致可视化效果截图如下:

  1. ggplot的条形图,用ggplotly后可交互,即可放大缩小、拖拽,鼠标悬停在条形图上还会显示具体的数据。 bar
  2. plotly的scatergeo图,圆圈大小代表数据大小,经过根号调整过大小,不然差距太大,小圆圈全都被覆盖了。右侧的四分位点击后是可以隐藏或者显示特定颜色的圆圈的。还有鼠标悬停在圆圈上同样会显示详细信息。plotly做可视化还是很好的,就是有些图片只有美国可以细分到州,其它国家没有。 geo
  3. leaflet地图显示每一个招聘信息的位置,点击后有职位名称和公司名称,职位名称还是个链接。 leaflet

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