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Introducing VISUAL SHAPE for visual calculations in Power BI
This article introduces the VISUAL SHAPE clause, which defines a hierarchical structure for a table used in visual calculations. Visual calculations, introduced as a preview feature with the February...
View ArticleUnderstanding Visual Calculations in DAX
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. This whitepaper is a draft....
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Vpax-Obfuscator: a library to obfuscate VPAX files
Last week, we released the first open-source library to obfuscate VPAX files: the Vpax-Obfuscator, also available as a NuGet package and as a command line tool (CLI). While the VPAX file contains only...
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Introducing EXPAND and COLLAPSE for visual calculations in Power BI
This article introduces the two basic visual context navigation functions: EXPAND and COLLAPSE. In a previous article, we introduced VISUAL SHAPE, the table modifier that adds a hierarchical structure...
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Using EXPAND and COLLAPSE in visual calculations
This article provides examples of visual calculations where the use of EXPAND and COLLAPSE is required to obtain the correct result. In previous articles, we introduced the concepts of visual context,...
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Using scatterplots to find details in reports
This article describes how you can use a scatterplot visual to make more effective Power BI reports. In many reports, it is common to find large tables or matrixes with a lot of information. Business...
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Direct Lake vs. Import mode in Power BI
What is the right choice between Direct Lake and Import mode in Power BI? At SQLBI, we do not publish content until we have had enough time to experiment with and collect data about new features. We...
View ArticleWindow Functions in DAX
Learn how to use the new DAX window functions (INDEX, OFFSET, and WINDOW) to manipulate tables by sorting and partitioning data. This whitepaper is a draft. The functionalities described are currently...
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The second edition of Optimizing DAX is complete
Almost a year ago, we announced the release of three sections (core concepts, formula engine, and VertiPaq); in November 2023, we released the DirectQuery over SQL section; now, in April 2024, we...
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Author’s responsibility
Digital media content creators have an ethical responsibility to journalistic integrity. All of them do; all of us… including myself. At the last few international conferences I attended (SqlBits and...
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