At the end of a year marked by the pandemic, it is time for our usual review of what happened in the DAX realm. The enthusiasm we typically demonstrate in this traditional end-of -year post is tainted this year by…  Read more

Power BI offers several options to create filters and slicers in a report. However, it is not possible to define a default filter at the model level so that every new report on a dataset automatically applies that filter. The…  Read more

Great news! Just one year after releasing the second edition of The Definitive Guide to DAX, we just published a new website, a new book, and a new collection of videos: the second edition of DAX Patterns! DAX Patterns is…  Read more

Something really big is happening! The July 2020 version of Power BI Desktop allows you to create calculation groups in Power BI Desktop, thanks to the new “external tools” feature that enables the integration with Tabular Editor. We had been…  Read more

DAX is simple, but it is not easy. I cannot remember how many times I read this sentence on social media, attributed to me. For good reason: I have repeated this sentence at almost every classroom course I delivered over…  Read more

UPDATE 2020-03-28: Calculation groups are coming soon to Power BI Desktop, read the added section at the bottom of the post. I am glad to announce that we just released an additional module about Calculation Groups to the Mastering DAX…  Read more

DAX Formatter was created in 2013 to help users format their code based on the Rules for DAX Code Formatting published in October 2012. Because the main goal is to make the code immediately readable and recognizable, DAX Formatter purposely…  Read more

Another year has gone by and it has now been 10 years since DAX was first introduced in late 2009. As usual, it is time to review the past year and to take a look at the year ahead.  Read more

If you created a Tabular model using one of the preview versions (CTP, RC, …) of Analysis Services 2019, you don’t have the final structure for the Ordinal attribute that Microsoft defined in the final version of compatibility level 1500.…  Read more

The second edition of The Definitive Guide to DAX is now available worldwide! This blog post explains why we felt the need to rewrite the book and describes what happens behind the scenes when producing a book.  Read more