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Pro DAX and Data Modeling in Power BI: Creating the Perfect Semantic Layer to Drive Your Dashboard Analytics
book

Pro DAX and Data Modeling in Power BI: Creating the Perfect Semantic Layer to Drive Your Dashboard Analytics

by Adam Aspin
November 2022
Beginner to intermediate
475 pages
9h 16m
English
Apress
Content preview from Pro DAX and Data Modeling in Power BI: Creating the Perfect Semantic Layer to Drive Your Dashboard Analytics
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
A. AspinPro DAX and Data Modeling in Power BIhttps://doi.org/10.1007/978-1-4842-8995-2_12

12. Iterators

Adam Aspin1  
(1)
STAFFORD, UK
 

In the previous chapter you discovered how to use the FILTER() function to reduce the scope of calculations. In fact, when you learned about FILTER(), you learned how to create an iterator function. Iterators - to give them their usual name - are a set of DAX functions that allow you to process dataset tables (or even the virtual tables that you will learn about in Chapter 16) and add calculations.

The remaining iterator functions are different from FILTER(). This is because FILTER() does not add any new columns or calculations ...

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