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Code written by AI can contain many duplicate parts. User-defined functions are a great tool to simplify complex measures; this article shows how to leverage AI to build better DAX code. Read more
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Visual calculations can either improve or degrade the performance of a report. In this article, we outline how we ensure visual calculations have a positive impact on performance. Read more
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This article describes how to apply different formatting rules at each level of a hierarchy (one rule at the year level, another at the quarter level, another at the month level) using ISINSCOPE in a measure or ISATLEVEL in a… Read more
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In this article, we implement a function that removes filter-keep column filters from a calendar, using REMOVEFILTERS as the return value of the function. Read more
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This article describes how to define optional parameters in DAX user-defined functions and set default values for parameters not specified by the caller. Read more
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DAX offers many functions to remove filters from the filter context. In this article, we analyze the differences among the most commonly-used functions. Read more
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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