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分类数据 EDA 实战:如何发现隐藏的层次结构
点击上方“Deephub Imba”,关注公众号,好文章不错过 !探索性数据分析(EDA)的本质不是画图和算统计量,而是不被自己的数据欺骗。分类列是最容易出问题的地方。city、category、product、department、role、customer_type——这些列看起来很简单,跑个 ...
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