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MartinS
New Member

Lab 2 - Date

How come that the results are different when i use Date[Date] and Sales[Date] in the lab2 DAX statements? I get the result with Date[Sales], but wrong one. Thanks a lot. 

1 ACCEPTED SOLUTION

Accepted Solutions
kcantor Community Champion
Community Champion

Re: Lab 2 - Date

The issue comes from not using the date table. The purpose of the date table is to provide a stable, unbroken foundation of dates to layer the data onto. If you use the dates from your fact table instead, there may be dates missing or duplicated which can cause minor/major issues with calculations.

Check out this link for more information.

http://consulting.risualblogs.com/blog/2015/11/20/power-bi-desktop-date-tabledimension/



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3 REPLIES 3
Microsoft SamLester
Microsoft

Re: Lab 2 - Date

Did you create the relationships between the Date table and the Sales table as per the lab instructions? If you skip this step, you'll end up with a different calculation.


Thanks,
Sam Lester (MSFT)

kcantor Community Champion
Community Champion

Re: Lab 2 - Date

The issue comes from not using the date table. The purpose of the date table is to provide a stable, unbroken foundation of dates to layer the data onto. If you use the dates from your fact table instead, there may be dates missing or duplicated which can cause minor/major issues with calculations.

Check out this link for more information.

http://consulting.risualblogs.com/blog/2015/11/20/power-bi-desktop-date-tabledimension/



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

Proud to be a Datanaut!




View solution in original post

MartinS
New Member

Re: Lab 2 - Date

OK, i get it now, thanks a lot...

 

M.

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