topic Re: DAX Measure returning previous week sales by time range in DAX Commands and Tips

DAX Measure returning previous week sales by time range

Weatherreport — Tue, 16 Mar 2021 04:42:06 GMT

Hi Everyone,

I have some sales data with date/time as per below sample:

I would like to build a DAX measure that would return previous week (to date) sales between 4am and NOW.

In other words, as our business week starts on Tuesday and ends on Monday, let's say that if today is Wednesday 17/03 3:39pm, I would need a formula that returns sales between Tue 9/03 4am and Wed 10/03 3:39 pm.

I hope it makes sense but happy to provide a better explanation if required.

Thank you so much for helping.

Regards,

Marco

Re: DAX Measure returning previous week sales by time range

amitchandak — Tue, 16 Mar 2021 06:14:13 GMT

Weatherreport , Last tueday will be

Last Tuesday = (Today() +-1*WEEKDAY(Today(),2)+1) -6

So you can trya measure like

From last tuesday =
var _last =(Today() +-1*WEEKDAY(Today(),2)+1) -6 + time(hour(now()), minute(now()), second(Now()))
var _now = now()
return
calculate(sum(Table[Value]), filter(Table, Table[Datetime] >=_last && Table[Datetime] <=_now))

Re: DAX Measure returning previous week sales by time range

Weatherreport — Fri, 19 Mar 2021 03:18:17 GMT

@ amitchandak

Thanks for your prompt reply. The formula seems working pretty well except there is some small difference in terms of amount and I must understand why.

However, as it is at least a good step towards the solution, I'm happy to accept it as a solution.

Quick question (otherwise I might raise another ticket to the Community): If I only want last week sales for same time as today (eg. between midnight and now) - instead than the WTD as per above formula - what should I change it to make it working?

Thanks,

Marco

Re: DAX Measure returning previous week sales by time range

Weatherreport — Fri, 19 Mar 2021 03:22:41 GMT

amitchandak Sorry maybe I hadn't tagged you properly before