August 2019
Intermediate to advanced
768 pages
26h
English
book
Definitive Guide to DAX, The: Business intelligence for Microsoft Power BI, SQL Server Analysis Services, and Excel, 2nd Edition
by Alberto Ferrari, Marco Russo
Content preview from Definitive Guide to DAX, The: Business intelligence for Microsoft Power BI, SQL Server Analysis Services, and Excel, 2nd Edition
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Chapter 10Working with the filter context
In the previous chapters you learned how to create filter contexts to perform advanced calculations. For example, in the time intelligence chapter, you learned how to mix time intelligence calculations to provide a comparison of different periods. In Chapter 9, “Calculation groups,” you learned how to simplify the user experience and the DAX code using calculation groups. In this chapter, you learn many functions that read the state of the current filter context, in order to change the behavior of your formulas according to existing selections and filters. These functions, though powerful, are not frequently used. Nevertheless, a correct understanding of these functions is needed to create measures that ...
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