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This article explains why in many cases, MAX should be used instead of LASTDATE to search for the last date in a time period using DAX. Read more
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The DAX language provides several Time Intelligence functions that simplify writing calculations such as year-to-date (YTD), year-over-year (YOY) and so on. However, if you have a special calendar structure such as a 4-4-5 weeks’ calendar, you need to write your… Read more
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This article describes how to use calculation groups to dynamically replace only a partial expression in a complex DAX calculation. Read more
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Hardware and virtualization settings have a big impact on Analysis Services Tabular performance. This article describes best practices for the most important settings to check. Read more
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This article explains the behavior of LASTNONBLANK, LASTNONBLANKVALUE, and similar DAX functions, also providing patterns for performance optimization. Read more
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This article describes how to create Key Performance Indicators (KPI) in a Power BI Desktop data model by using Tabular Editor. Read more
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The LOOKUPVALUE function retrieves values from a table in a simple way, but it involves a hidden level of complexity. This article provides full coverage of the LOOKUPVALUE internals, alongside several performance considerations. Read more
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This article shows the reader how to use LOOKUPVALUE, which is a handy function for any developer to have in their toolbelt. Read more
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This article describes the differences between HASONEVALUE and ISINSCOPE, which are two useful DAX functions to control the filters and the grouping that are active in a report. Read more
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In this article, we share an idea to reduce the friction in using Power BI, by extending the DAX language with new visual calculations. Read more