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khana04 Frequent Visitor
Frequent Visitor

DAX help



RunningTotals = CALCULATE( [%ByScrapCode],TOPN([ScrapCodeRANK],ALL(DimTransaction[Scrap_Code]),[%ByScrapCode]))


I am trying to get the RunningTotals Corrected in above Visual  to break the tie , so it should be 18.60  then 37.21 and then 53.49 and so on , for some reason it giving me Runningtotals by adding number which have same scrapcoderank, any idea how to fix this ???

Community Support Team
Community Support Team

Re: DAX help

Hi khana04,


Firstly, in your measure, are you using RANKX() to calculate the measure [ScrapCodeRANK]? If you are, RANKX() will always return the same ranking for the same value.

In addition. TopN() will take all the rows with same value in a column as one row. So, to achieve your requirement, you should use edit query to create a new ranking column instead of using DAX.


Please refer to steps below:

  1. Calculate [%ByScrapCode] using Power Query instead of DAX in Power BI Desktop, which will make [%ByScrapCode] as a column in your table, if you have any questions about how to calculate [%ByScrapCode] in query editor, please share sample data of your table.


  1. Sort table ‘DimTransaction’ by column [%ByScrapCode], then create an index column [ScrapCodeRANK] from 1. You can use M formula below in Edit Queries:



    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("bc2xDcAwCATAXZDSWQhMwHgWy/uvYV6KuxTfnJ5nLepdnBqNigb3fGi3UjUpSWhyyKcy/E8D1wE1nn4XBAtvZbLdqiqqhjpP/NoH", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type text) meta [Serialized.Text = true]) in type table [Scrap_Code = _t, Scrap_Total_Qty = _t, #"%ByScrapCode" = _t]),

    #"Changed Type" = Table.TransformColumnTypes(Source,{{"%ByScrapCode", Percentage.Type}}),

    #"Sorted Rows2" = Table.Buffer(Table.Sort(#"Changed Type",{{"%ByScrapCode", Order.Descending}})),

    #"MyRank" = Table.AddIndexColumn(#"Sorted Rows2", "ScrapCodeRANK",1,1)




The result is like below:



3.Creata measures [RunningTotals] with DAX formula below:


RunningTotals = CALCULATE(SUMX(DimTransaction, [%ByScrapCode]), FILTER(ALL(DimTransaction), DimTransaction[ScrapCodeRANK] <= MAX(DimTransaction[ScrapCodeRANK])))


The final result is like below and you can refer to PBIX file here:


Best Regards,

Jimmy Tao

khana04 Frequent Visitor
Frequent Visitor

Re: DAX help

%byScrapCode is calcualted as below



%byScrapCode = scrapCodeindividualQTY/TotalScrapCodeQTy * 100

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