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This article describes the different roles of user-defined functions and calculation groups, explaining when to use either, and how they complement each other in the design of a semantic model. Read more
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The third edition of the Mastering DAX video course is available! Read more
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This article offers a comprehensive guide to changing the like-for-like pattern into model-independent functions to enhance flexibility and simplify DAX code. Read more
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We released a new course for SQLBI+ subscribers: Understanding Visual Calculations in DAX. This is not an introduction to visual calculations for users. The goal is to explain the details of implementing visual calculations for experienced DAX developers, including new… Read more
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Visual calculations are a new feature in DAX that aims to simplify the use of DAX for users by introducing calculations at the visual level rather than at the model level. Read more
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This article describes how to use the TOJSON and TOCSV functions to inspect the content of intermediate table variables when debugging a DAX measure. Read more
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The new calendar-based time intelligence functions offer greater flexibility than the classic time intelligence functions. This article describes the DATEADD parameters for controlling different granularity shifts. Read more
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This article introduces the new calendar-based time intelligence functions in DAX, available in preview from the September 2025 release of Power BI. Read more
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This article shows how to create a DAX measure that displays information from multiple columns in a business entity or transaction, into a single column of a matrix. Read more
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In mid-January 2026, many Power BI Desktop users began noticing a strange visual regression: several icons in the interface—including the Data, Model, and DAX icons—appeared as solid black shapes instead of their normal outlines. The issue appeared suddenly, even on… Read more