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How to define optional parameters in DAX user-defined functions and set default values for parameters not specified by the caller.

Defining the right contract is a key activity for a DAX developer using AI. Here we introduce the concept of a contract through ...

Learn the differences between similar but different DAX functions that remove filters from the filter context. Article and download: ...

How to apply a different formatting rule at each level of a hierarchy using ISINSCOPE in a measure or ISATLEVEL in a visual ...

A DAX calculation can produce convincing values at the detail level and fail at the total. The problem is often that the business rule ...

DAX Lib is an open-source repository of User-Defined Functions (UDFs) for Power BI, Fabric, and Analysis Services. Learn how ...

Compare the performance of regular versus limited relationships in DAX to understand the implications of using limited ...

A slicer cannot filter a measure: let's analyze this common request by explaining how to use a slicer to filter a measure, after ...

Visual calculations can either improve or degrade the performance of a report. Let's see how we ensure visual calculations have a ...

How to leverage AI to refactor existing DAX code, remove duplicated parts, and centralize the common code in user-defined ...

A recap of the news in the DAX and SQLBI world in 2025 and a preview of what is coming in 2026. Happy New Year! All links in ...

How to implement a DAX function that removes filter-keep column filters from a calendar, using REMOVEFILTERS as the return ...

Let's talk about matrix totals in this episode of The Whiteboard! Special guest: the SQLBI Whiteboard! Learn abstract DAX ...

You can monitor hospital bed occupancy in real time by using Synoptic Panel in ...

Alberto and I discuss the third edition of the Mastering DAX Video Course: what changed, why we redesigned it to be more ...

This video shows a real use case of the Synoptic Panel visual in Power BI applied to dental analytics: users can understand ...

DAX Optimizer Basic* is a new way to *analyze the performance* of your Power BI and Fabric semantic models *for free* without ...

This project showcases a Workforce Analytics & Decision Intelligence Dashboard built to help organizations reduce employee ...

Learn DAX iterator functions in Power BI: SUMX, AVERAGEX and MAXX, two steps in one measure without helper columns.

How to visualize and analyze ticket sales and seat occupancy in a large venue, The Sphere in Las Vegas, using a custom ...