DAX contains a host of time-intelligence functions with exotic names such as SAMEPERIODLASTYEAR and PARALLELPERIOD. In the last article in this series, Andy Brown explains how to write measures using the range of date functions in DAX, and also explains how time-intelligence functions work behind the scenes.
2020-03-06
Introduction Period-over-period is an analysis technique in business that measures some value in the present and compares it to the same measurement in a comparable period of time in the past. The goal is to adjust the slice of the past you are viewing, so the same amount of time has passed in the two […]
2020-01-27
60,552 reads
In the first two articles in this series on creating DAX formulae, Andy Brown of Wise Owl Training showed how to create calculated columns and measures. In this third article, he turns his attention to two of the most important DAX functions (CALCULATE and VALUES), showing how and when to use them. If DAX knowledge can be compared to a heavily fortified castle, the CALCULATE function is the drawbridge giving access to it.
2019-02-18
2,279 reads
In this tip we look at how you can use DAX formulas within your SQL Server Reporting Services Report Builder reports.
2019-01-23
2,297 reads
In the first article in this series, Andy Brown demonstrated how to create calculated columns in Power BI using the DAX language. This second article in the series explains what measures are, and how you can use DAX to create measures within Power BI. The formulae in the article apply equally well to PowerPivot and Analysis Services Tabular Model.
2019-01-21
2,447 reads
In this article, Andy Brown shares his knowledge of how to create calculated columns in tables, using Power BI as the host software (all of the formulae shown would work equally well in PowerPivot or SSAS Tabular). This article is designed to be the first in a series of articles which will show you how to master programming in DAX.
2018-11-22
2,396 reads
In part 1, we described the requirements for calculating attrition and also demonstrated one method that doesn’t rely on writing DAX code at all. In the second part of this tip, we introduce alternative methods of creating a calculation in DAX to calculate the number of employees that have left the company.
2018-05-16
2,619 reads
In many businesses, the HR department needs reports on the employee attrition. This is the number of people that leave the company (depending on the reason they leave; the terminology can also be dismissals or turnover). Suppose you have a table with your employee data, where you also store a possible termination date. How do you calculate the number of people who have left the company using the DAX query language?
2018-05-15
2,702 reads
Power BI Dashboards can be kept current using simple DAX formulas in your data models. Save yourself time and energy by understanding how dashboard tiles work on PowerBI.com and what can be done to set your dashboards to a current period.
2018-03-01
3,417 reads
Business Intelligence Architect, Analysis Services Maestro, eight-year Microsoft Data Platform MVP and author Bill Pearson introduces the DAX All() function, discussing its syntax, basic uses and operation. He then provides hands-on exposure to All(), focusing largely upon its most basic uses in manipulating filter context.
2022-04-04 (first published: 2018-01-31)
4,722 reads
By Steve Jones
Thanks to everyone that came to my talks. Slides are below. Best Practices for...
By Steve Jones
I can’t remember how I heard about Small Data SF 2024, but it caught...
By Steve Jones
moledro – n. a feeling of resonant connection with an author or artist you’ll...
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