Power BI

DAX Moving Averages measure controlled by slicer in Power BI, using what-if-parameters, GenerateSeries, and disconnected table.

Welcome back readers, to another chapter in the DAX Reanimator Series! The post I’ll be re-envisioning today is one I’m very excited about.

This article describes how DAX resolves column and measure names in DAX, providing best practices to avoid conflicting names. A fundamental rule you should

This article describes how to create a virtual relationship in DAX using the TREATAS function, which is more efficient than approaches based on INTERSECT or

There is a video that walks you through the solution in depth, please find the video at the end of this post along with the completed solution. In this installment of the Problem, Design, Solution …

Having read this question on the mdsn blogs , I investigated on the KEEPFILTERS function and, after having learned it, it is now time to write about it. Moreover, before start to write about it, I need to thank the dev team of SSAS and Marco Russo who

I recently wrote an article to described in more details the syntax of the IN operator in DAX , which is available in Power BI and in the CTP of the next re

This article shows how variables in DAX can impact the coding style, simplifying a step-by-step approach and improving the readability of your code. The ne

This article explains how to improve DAX queries using GENERATE and ROW instead of ADDCOLUMNS when you create table expressions. A very popular DAX functio

I recently wrote a few articles about a new function in DAX and the use of variables. For those of you using Power BI or Azure Analysis Services, you always

Would it not be nice if your Title changed based on what you selected on your slicer? In this example below I am going to show you how I used a Country slicer to dynamically change the title of my …

Powerful and all that CALCUATE is, there is a limitation to the filters that it can apply. In this article we will look at one of these limitations

Context Transition in DAX is when you transform the row context into the filter context.  In order to understand Context Transition a practical knowledge of Row and Filter context is needed, along with a practical knowledge of CALCULATE. Understanding Context Transition is not too complicated, however it is something that DAX users get caught out […]

I cannot tell a lie.  Nah… that’s a lie.  I just lied.  But I am speaking truth here… I’m excited to write this post today!  I get the rare joy of sharing something cool with you… while doing my favorite thing… complaining about stuff! We are going to talk about the KEEPFILTERS function. Before I …

A challenge to which I infrequently return is attempting to create various “new” chart types using only Power BI’s native visuals. For example, I have tried to replicate a Horizon…

PowerPivot's EARLIER function is a powerful way to calculate values based on rows that similiar to the row currently being evaluated.

Varface – Say hello to my little friend I used to use the bad joke, “CALCULATE is the Ummmm of DAX” – like, when you want to start talking/writing out a DAX expression before you really know the answer, you just start typing CALCULATE slowly cuz you know it’s coming – it always does!But now, …

If you want to reach into a difference table in DAX you will need to use either the RELATED or the RELATEDTABLE expressions.

This article describes how the SELECTEDVALUE DAX function simplifies the syntax required in many scenarios where you need to read a single value selected in

With the new Power BI desktop release (July 2017) comes a new DAX function called “SelectedValue”, this DAX function is a convenience feature to help you with working with selections. T…

As you probably know, charts (and lots of other visualisations) in Power BI have titles that can be set to any piece of static text. You can do this by selecting the chart, going to the Format tab …

This article shows how to define variables in DAX queries and introduces the differences in scope when there are multiple EVALUATE statements. If you read

So for this example it is best explained with an image below, then some additional context afterwards If you look above we have got the [Sum of Sales] for Dec 2010-11 NOTE: This I selected in the S…

Just a quick one today on how you can use the Power BI quick calcs with you own date table. I have a very simple table with a date column in it: Now I want to show the YTD over time (so crossing mu…

Welcome to a new series that I’m starting with a few colleagues at Pragmatic Works. The goal of this series is to document many design practices and solutions to problems that we often run into wit…

I read a quote somewhere along the lines of… If you are trying to solve a problem with regular expressions… you now have two problems This seems a little harsh for a useful tool that ha…