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## Challenge with SUM of AVERAGES

Hello PBI Community!

So, I have a challenge with DAX. My end-users want to see AVERAGE of products sold for each weekday but the Grand Total should be a SUM of these AVERAGES. I wrote some DAX:

So my code looks like that:

`    sumOfAverages = VAR avgFull =CALCULATE (SUM ( [sold_qt] )/ DISTINCTCOUNT ( [delivery_date] ))RETURNIF (HASONEVALUE ( [weekday_name] ),avgFull,SUMX ( VALUES ( date_weekday_dim[weekday_name] ), avgFull ))`

Actually it's working only if I have selected all the weekdays. See the screen below.  If I select something on slicers and there won't be any data from particular weekday it looks like that.

So the Grand Total is not correct. I think that there's a problem with SUMX (VALUES ... )) section in DAX but really don't know how to figure it out.

Could you help me with this, please?:)

3 REPLIES 3
Super User
Super User

Hi @kashanka ,
Created a table, then on visuals a slicer, and a matrix, then a measure.

``Sum of Daily Averages = SUMX(DailyAverages,Divide(DailyAverages[Sold],DailyAverages[DistinctCount]))``

This should work if I understand your issue.

Let me know if you have any questions.

If this solves your issues, please mark it as the solution, so that others can find it easily. Kudos 👍are nice too.
Nathaniel

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Super User

Hi @kashanka ,

If one of the days has no values...

Let me know if you have any questions.

If this solves your issues, please mark it as the solution, so that others can find it easily. Kudos 👍are nice too.
Nathaniel

Did I answer your question? Mark my post as a solution!

Proud to be a Super User!