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MarcRapenne's avatar
MarcRapenne
Frequent Visitor
6 years ago

Deaveraging prices

Hello!    I am pretty new to Dax and need help with the below problem:   I have a series of products with unique serial numbers that have been bought in a LOT at an average price of X / Unit ( in...
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MarcRapenne's avatar
MarcRapenne
Frequent Visitor
6 years ago

 

Hello V-lianl-msft 

 

Thanks for your feedback. I was able to make it work !

 

In the file you can see 3 sheets (dropbox Link)https://www.dropbox.com/s/mc14wegnnubptd8/200416%20TEST%20Power%20BI.xlsx?dl=0 

 

  1. A sample file – with all units part of the same LOT (LOT1)
  2. The formula that we used – this is the same as the one posted by you – but I had to add Count_NF and use it in the return line (the example you posted had only 1 line NF, the formula would not work with more than 1 NF line)
  3. A new sample file with units being part of 2 Lots (LOT1 and LOT2)

 

The question I have now is how do I update my formula in order to make it work for a data base that has 2 Lots or more: the data base has units of 2 different lots but I need to run the calculations lot by lot, separately

 

Thanks so much ! 

V-lianl-msft's avatar
V-lianl-msft
Community Support
6 years ago

Hi MarcRapenne ,

 

I recreated pbix based on the data you provided.

Column = 
VAR COUNT_ID =CALCULATE( COUNT('Table'[PW Grade]),FILTER('Table','Table'[PW Grade]<>"NF"&&'Table'[LotNumber]=EARLIER('Table'[LotNumber])))
VAR COUNT_NF = CALCULATE( COUNT('Table'[PW Grade]),FILTER('Table','Table'[PW Grade]="NF"&&'Table'[LotNumber]=EARLIER('Table'[LotNumber])))
VAR SUM_PRICE =CALCULATE(SUM('Table'[BuyPrice]),FILTER('Table','Table'[LotNumber]=EARLIER('Table'[LotNumber])))
VAR _50 = 0.5*'Table'[BuyPrice]
RETURN IF('Table'[PW Grade]="NF",_50,(SUM_PRICE-_50*COUNT_NF)/COUNT_ID)

See if this meets your needs.

Sample .pbix

 

 

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

  • MarcRapenne's avatar
    MarcRapenne
    Frequent Visitor
    6 years ago

    Hi V-lianl-msft ,

     

    Thank you, this worked great!

    Now I am wondering if I can keep adding filters within"EARLIER". Because unfortunately, after looking at all my historical data, some lots have different items within them which therefore have a different Buy Price (example pictured) 

    This messes up the Adjusted Price since the calculation is at LOT level. I tried to add another Filter (Model) but something doesn't seem to be working. 

    Thank you again for all your help!

    Marc 

     

    • V-lianl-msft's avatar
      V-lianl-msft
      Community Support
      6 years ago

      Hi MarcRapenne ,

       

      Yes, you can add appropriate filter conditions according to your own needs.

       

      Best Regards,
      Liang
      If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

      • MarcRapenne's avatar
        MarcRapenne
        Frequent Visitor
        6 years ago

        Hi V-lianl-msft ,

         

        Thanks again. When I am trying to add the other filter to filter out the data via Model (after LOT) I get an error message. "Parameter is not the correct type". Please let me know if you have a solution for this.

         

        Formula Below: 

        AdjPrice =

        VAR COUNT_GOOD =CALCULATE( COUNT(ComprehensiveInventory[FunctionalGrade]),FILTER('ComprehensiveInventory',ComprehensiveInventory[FunctionalGrade]<>"NF"&&ComprehensiveInventory[LotNumber]=EARLIER(ComprehensiveInventory[LotNumber] && ComprehensiveInventory[Model]=EARLIER(ComprehensiveInventory[Model])))

         

        Thank you so much!

        Marc