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面试官:如何用SQL计算留存率?完美回答来了!
APP分析中经常用到AARRR模型(海盗模型)用来分析APP的现状,其中一个重要节点就是提高留存(Acquisition),而留存率这个指标在这个阶段可以说是核心指标也不为过。那如何用SQL计算留存率呢? 什么是留存率? 常见的留存率有次日留存、三日留存、7日留存、14 ...
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