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This article describes the new Expression Context property of calculated columns in Power BI, explaining how user-aware calculated columns work, why they are not materialized, and how to use them as virtual calculated columns for localization and custom security scenarios. Read more
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A slicer cannot filter a measure. In this article, we analyze this common request by explaining how to use a slicer to filter a measure, after discussing the real meaning of using a measure with a slicer. Read more
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This article describes the parameter types available in DAX user-defined functions, focusing on the specialized reference types MEASUREREF, COLUMNREF, TABLEREF, and CALENDARREF. Read more
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Visual calculations can be used efficiently to format visuals. This article presents an interesting technique to highlight a row based solely on the maximum value in the last column. Read more
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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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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