Excel Power Query Average Period a customer buys (frequency)

gazmoz17

Board Regular
Joined
Sep 18, 2020
Messages
158
Office Version
  1. 365
Platform
  1. Windows
Hi,

I think I know how to do this via Grouping via customer then Avergae aggreagtion on my custom field (frequency)

But I dont know how to do the initial step (get the frequency): work out the days between each invoice per customer.

From there get an avergae from how many days on average a customer purchases.

1699356936533.png

; Ive downloaded XL2BB and its copied to clipboard successfully but I cant paste it within the reply?

1699356992966.png


*With very end game being as of Todays date is Customer A etc overdue puchasing from us....as its 24 days since last invoice date (seperate query to this) and the average days is 15 ; frequency custom field (im struggling with) grouped as an average.



Any help much appreciated.
Many Thanks
Gareth
 

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