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ajet_p-91's avatar
ajet_p-91
Frequent Visitor
1 year ago
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Issues with Matrix Visual Grand Total

Hi Everyone, I am experiencing some issues with the Matrix Visual. I created a matrix that tracks person transitions, featuring name, credit, and debit columns. However, the total I see in the vis...
  • 123abc's avatar
    1 year ago

    Please can you share the sample data in excel or pbix file.

     

    Below is the assumpiton based explanantion, it will may help you.

     

     

    Aggregation Differences

    • Power BI calculates totals differently from Excel. In Power BI, the grand total row in a matrix or table visual often represents the result of the measure's formula applied to all rows, rather than a simple sum of the visible rows.

    • Solution: Check your DAX measure. If your calculation uses filters or row-specific logic, it might produce unexpected totals. To fix this, you can use the HASONEVALUE function to differentiate row-level calculations from total-level calculations. Example:

      Corrected Measure = IF( HASONEVALUE(Table[Name]), SUM(Table[Debit]) - SUM(Table[Credit]), SUMX(Table, Table[Debit] - Table[Credit]) )

    2. Incorrect Data Model Relationships

    • If your data model has relationships that are not set up correctly or are causing circular dependencies, the totals might not calculate correctly.

    • Solution: Verify your data relationships in the Model View. Ensure that your tables are connected appropriately and the relationship is in the correct direction.


    3. Data Filtering

    • Filters applied in the Matrix Visual or elsewhere in the report might exclude some data from the total calculation.

    • Solution: Check the filters applied in the report. You can use the "View" > "Performance Analyzer" in Power BI to see how filters are affecting your visual.


    4. Measure Behavior at Totals

    • Custom measures in Power BI might behave differently at the total level because they calculate contextually. This can lead to totals that don't match your expectations.

    • Assumed Solution

    •  Use the ISINSCOPE function to define logic specifically for totals and subtotals. Example:

       

      Corrected Measure = IF( ISINSCOPE(Table[Name]), SUM(Table[Debit]) - SUM(Table[Credit]), SUMX(Table, Table[Debit] - Table[Credit]) )

    5. Formatting and Export Mismatch

    • Sometimes, formatting differences between Power BI and Excel can cause perceived mismatches, especially if you are working with rounded numbers.

    • Solution: Ensure that both Power BI and Excel use the same decimal settings and formatting options.


    Debugging Steps:

    1. Inspect Totals: Compare the exported data with the Matrix Visual to identify discrepancies.
    2. Test the Measure: Use a card visual to display the measure for validation.
    3. Remove Filters: Temporarily clear filters in the Matrix Visual to check if the issue is filter-related.
    4. Simplify Calculation: Replace your measure with a simpler version to isolate the problem.

    If you share more details about your data or your DAX formula, I can provide a more specific solution