October 2015
Beginner to intermediate
592 pages
18h 40m
English
book
The Definitive Guide to DAX: Business intelligence with Microsoft Excel, SQL Server Analysis Services, and Power BI
by Marco Russo, Alberto Ferrari
Content preview from The Definitive Guide to DAX: Business intelligence with Microsoft Excel, SQL Server Analysis Services, and Power BI
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Chapter 8. Statistical functions
DAX provides a number of statistical functions that simplify the code you write to perform the corresponding calculations. New DAX versions introduced a few statistical functions not present in previous versions, so you will find corresponding workarounds and patterns in case the DAX version you use does not support the function you need.
In this chapter, you will learn how to obtain the ranking value of an element, how to calculate variances, standard deviations, and percentiles. You will also learn functions for calculating interest, computing the geometric mean, and obtaining a sample from a table.
Using RANKX
If you want to show the ranking value of an element according to a specific sort order, you can use ...
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