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derrickbowen
New Member

How to find the average of a date

We have a business unit that wants us to create a report that aggregates a number of fields, including a couple of milestone dates.  In the excel version of the report that we are basing it from, they just take the average of the dates to show on the aggregate row.  I tried doing the following, but it returns as an Number, which Power BI does not allow you to format as a date:

AVG SC = AVERAGEA('DBOP Pipeline'[SC])

If I put "DATEVALUE()" around the number, it throws an error. 

1 ACCEPTED SOLUTION
derrickbowen
New Member

I figured out how to get around the formatting problem, it's pretty dumb:

 

AVG SC = FIRSTDATE('DBOP Pipeline'[SC])+ INT(AVERAGEA('DBOP Pipeline'[SC]) - FIRSTDATE('DBOP Pipeline'[SC]))

 

Also, I figured out this method for finding the "middle" date:

 

MID SC = FIRSTDATE('DBOP Pipeline'[SC])+ INT( DATEDIFF(FIRSTDATE('DBOP Pipeline'[SC]),LASTDATE('DBOP Pipeline'[SC]),DAY)/2)

 

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1 REPLY 1
derrickbowen
New Member

I figured out how to get around the formatting problem, it's pretty dumb:

 

AVG SC = FIRSTDATE('DBOP Pipeline'[SC])+ INT(AVERAGEA('DBOP Pipeline'[SC]) - FIRSTDATE('DBOP Pipeline'[SC]))

 

Also, I figured out this method for finding the "middle" date:

 

MID SC = FIRSTDATE('DBOP Pipeline'[SC])+ INT( DATEDIFF(FIRSTDATE('DBOP Pipeline'[SC]),LASTDATE('DBOP Pipeline'[SC]),DAY)/2)

 

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