Marco Russo's Blog
View full profileDefault calculation item in calculation groups
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
Announcing DAX Patterns second edition
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
Introducing Analyze in Excel for Power BI Desktop
Less than a month ago, Microsoft introduced the External Tools feature in the Power BI Desktop July 2020 release. By using DAX Studio, you were already able to create a PivotTable in Excel connected to the model hosted by Power… Read more
Arbitrary combination of measures and calculation items
UPDATE 2023-07-09: we now have a section “Creating sets of calculation items and measures” in the Inside Calculation Groups published in June 2023 that describes a technique also mentioned in the comments of this blog post. The consumption experience following… Read more
Creating Calculation Groups in Power BI Desktop
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
Optimizing access to Azure Data Lake Storage (ADLS) Gen 2 in Power Query
I recently implemented Power BI models by extracting data from Azure Data Lake Storage (ADSL) Gen 2, and I wanted to share a lesson learned when using this connector. Read more
Standard DAX separators in Power BI Desktop
Starting from the May 2020 version of Power BI Desktop, regardless of the Windows locale settings DAX always uses standard separators by default. This change does not affect most Power BI users around the world; but if you use the… Read more
Calculation Groups section in the Mastering DAX Video course
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
A small change in DAX Formatter and in DAX formatting rules
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
What has happened in the DAX world in 2019
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