I have written a series of articles over the last few years including: What is Power BI What is Power Query What is Power Pivot But I have never written an article about the DAX language, so I thought I would cover this off today. What is DAX? DAX is […]
Update 21 Feb 2018: There are 2 versions of this localhost workbook. One works with the downloadable version of Power BI Desktop and the other works with the Microsoft App Store version. There were some technical issues in late 2017, but as at Feb 2018 everything seems to be working […]
I have written articles before about how you can extract measures from a data model using DAX Studio and also using Power Pivot Utilities. These are both excellent tools in their own right and I encourage you to read up on those previous articles to learn more about these tools. […]
The 24th of July, 2017 is the second birthday for Power BI. I thought I would take the occasion of its second birthday to reflect on all the great work that the crack Power BI team at Microsoft has done over the last year. I think it would be […]
Level: Intermediate In this article I am going to write about the ALL() function, show how it works and explain a common use case. I will also cover the unexpected behaviour that occurs when using the ALL() function in Power BI Desktop – more on that later. For this article I […]
Level: Intermediate Sometime late in 2016 Microsoft deployed a new “Combine” feature in both Power Query for Excel (Get and Transform) and also in Power BI Desktop (Get Data). The new capability makes it easier to combine multiple copies of similar workbooks into a single table without hand coding M Functions, […]
When I was at the Microsoft Data Insights Summit last week I took the opportunity to catch up with Howie Dickerman to get an update on how the bug fixing with Power Pivot for Excel is coming along. I talked about this in my original blog here and then my […]
Level: Beginners/Intermediate As those that read my blog regularly would know, I have been at the Microsoft Data Insights Summit in Seattle Washington for the last 2 days. I had the privilege and pleasure of presenting two sessions at the event. For those that were not able to attend, here […]
Today I sat through the Keynote session at the Microsoft Data Insights Summit. As expected, James Phillips confirmed that MS has been holding back a few killer features to announce at the Summit. Here is the list of new things that are coming that I wanted to share with you […]
I was reading a blog by David Eldersveld last week where he was talking about his entry in the Microsoft Data Insights Summit Data Analytics Challenge. I originally was too busy to enter however I was inspired by his article and thought I should prepare an entry albeit with only […]
At the start of May 2017, Microsoft announced that Export to Excel/CSV would no longer be available to Power B Free users, and would not be part of the new Power BI Premium offering either. Today Microsoft announced that it has listened to community feedback and has agreed to include this […]
I am an enthusiastic sponsor of Microsoft BI. I have been fortunate enough to build a new career off the back of the great products Microsoft has developed, specifically Power BI, Power Pivot and Power Query. Having said that, I am definitely disappointed with the new licensing agreement changes have […]
Microsoft today announced that it is changing the way it licences its Power BI service product. I want to provide my personal view on why it is doing this, what is good and also what is bad about this change. The Problem MS is Trying to Address Let me start […]
A client contacted me recently and asked me to solve a problem for them. They have a large Power Pivot Excel workbook with lots of Pivot Tables. All was good except sometimes when they refreshed the data, the newly loaded data changed the shape of some of the pivot tables […]
Level: Beginners One of my regular blog readers (and graduate of my live training course) Phil Cross asked me last week if I knew of anywhere to find a comprehensive guide for Self Service BI users of when to use Excel vs Power BI to author new data models. I […]
2 fabulous new updates again in the April update of Power BI Desktop. Here is my quick review so you can see how great these things are. Quick Measures Quick measures are designed to help you get started with DAX, without knowing any DAX! OMG I will be out of […]
Some time ago I developed a tool that allows you to automatically connect a local Excel Pivot Table to a local running instance of Power BI Desktop. You can read that original article here if you like. It works kind of like Analyze in Excel but using Power BI Desktop […]
Level: Intermediate This is the final article in my series about DAX as a Query Language. In my first article I introduced DAX as a Query Language and then in my second article I went in deeper to the specifics on how to use some of the more useful DAX query […]
Level: Intermediate In my last article I introduced DAX as a Query Language and explained why learning to query your data model can be useful. I covered the basics about using a tool like DAX Studio to query a database and return a table of data as a result. In this […]
Level: Intermediate I have written quite a few articles that contain embedded references to DAX Queries and DAX Table functions in the past. Today I am writing an article that introduces the DAX query language from the beginning so you can learn how to use it and how it will […]