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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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We released a new session in SQLBI+: How to navigate the lattice of visual calculations: This video explains how to navigate the lattice of visual calculations in DAX, using COLLAPSEALL and EXPAND to move between levels. A key topic is… Read more
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Alberto and I recorded an unplugged session to talk about the new edition of the Mastering DAX Video Course. You can watch it above, but if you prefer a quick read, here are some thoughts. The question we heard the… 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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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