topic Re: weighted average date in DAX Commands and Tips

weighted average date

Anonymous — Wed, 05 May 2021 21:16:06 GMT

Hi,

I'm working with a sales table that has three main columns: Amount sold; day sold; and day payed. I'd like to know what is the average days that I take between sell a product and be payed, but I would like as well to do a weighted average.

It was supposed to be something like this: SUMX( (Amount Sold) * (Day payed - day sold) / (Total Amount sold).

How can I do a measure that return me directly this result?

Re: weighted average date

OwenAuger — Wed, 05 May 2021 21:38:12 GMT

Hi Anonymous

Yes, that's exactly the idea.

In DAX, I would write something like this:

Average days sold-paid = VAR TotalAmountSold = SUM ( Sales[Amount Sold] ) RETURN DIVIDE ( SUMX ( Sales, ( Sales[Day Paid] - Sales[Day Sold] ) * Sales[Amount Sold] ), TotalAmountSold )

Another version that could improve performance depending on distribution of your dates, especially if you have the same pairs of dates occurring repeatedly:

Average days sold-paid = VAR TotalAmountSold = SUM ( Sales[Amount Sold] ) RETURN DIVIDE ( SUMX ( SUMMARIZE ( Sales, Sales[Day Paid], Sales[Day Sold] ), ( Sales[Day Paid] - Sales[Day Sold] ) * CALCULATE ( SUM ( Sales[Amount Sold] ) ) ), TotalAmountSold )

Regards,

Owen

Re: weighted average date

Anonymous — Thu, 06 May 2021 16:32:18 GMT

Thanks Bro, you were awesome! It worked perfect