User analysis aarrr model (pirate model)

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7-day retention rate analysis of users - Simple books

background

APP It is often used in analysis AARRR Model （ Pirate model ） Used for analysis APP The status quo of , One of the important nodes is to improve retention （Acquisition）, At this stage, the indicator of retention rate can be said to be the core indicator . How to use SQL Calculate the retention rate ？

Calculation method of retention rate

If we add 100 Users , Landed the next day 50 name , Then the retention rate of the next day is 50/100=50%, On the third day, I logged in 30 name , Then the retention rate on the second day is 30/100=30%, And so on .

use SQL Calculation idea of ​​​​​​​

author ： Sparrows on Fragrant Hill
link ：https://www.jianshu.com/p/cf8cf682dcba
source ： Simple books
The copyright belongs to the author . Commercial reprint please contact the author for authorization , Non-commercial reprint please indicate the source .