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From Rishi Shah <>
Subject [Pyspark 2.4] Best way to define activity within different time window
Date Wed, 05 Jun 2019 10:49:56 GMT
Hi All,

Is there a best practice around calculating daily, weekly, monthly,
quarterly, yearly active users?

One approach is to create a window of daily bitmap and aggregate it based
on period later. However I was wondering if anyone has a better approach to
tackling this problem..


Rishi Shah

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