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This article is the state-of-the-art guide of the development tools for Power BI and Analysis Services models, providing guidance to improve productivity and access to new features. Read more
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Context transition is one of the most obscure topics for DAX newbies. In this article we introduce context transition, its effects, and how to leverage it rather than be scared of it. Read more
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Did you ever experience a long waiting time while opening a Power BI Desktop file? There could be many reasons for that, but if you have calculated columns and/or calculated tables in your model, you should be aware that they… Read more
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One of the first concepts to learn in DAX is the difference between calculated columns and measures. This article shortly recaps the differences and describes when to use each one. Read more
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Understanding the difference between row context and filter context is the first and most important concept to learn to use DAX correctly. This article introduces the row context, and is part of a series of articles about evaluation contexts in… Read more
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It is not common to face rounding differences in Power BI. However, when it happens, users are usually disappointed and surprised. Read more
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We recently discussed an issue related to the Dictionary size reported by Bravo for Power BI that, in reality, references the behavior of VertiPaq Analyzer, which relies on data management views (DMV) provided by the underlying Analysis Services engine. Because… Read more
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In this article we show various techniques to force a measure to return zero instead of blank, in order to highlight combinations of attributes with no data. Read more
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CALCULATE is the most powerful and complex function in DAX. In this article, we provide an introduction to CALCULATE, its behavior, and how to use it. Read more
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Understanding the difference between a row context and a filter context is the first and most important concept to learn to use DAX correctly. This article introduces the filter context. Read more