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ministep / SQL_DataAnalysis

SQL数据分析
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RFM #84

Open kemistep opened 4 years ago

kemistep commented 4 years ago

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kemistep commented 4 years ago

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kemistep commented 4 years ago

对R进行分档，比如0到4天（最近有充值）的得分是5，但26到30天（近一个月没充值）的得分只有1