Topic: DAX
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This article describes how you can create a comparison with the previous time period in a visualization, regardless of whether the time periods are consecutive or not. Read more
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This article describes the differences between eager evaluation and strict evaluation in DAX, empowering you to choose the best evaluation type for your data models. Read more
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This article shows a basic technique used to sort months according to a fiscal calendar, by using a couple of calculated columns and the “sort by column” feature of Power BI. Read more
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Creating a star schema in Power BI is the best practice to improve performance and more importantly, to ensure accurate results! This article shows why a star schema can fix some of the issues in your report. Read more
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This article describes a naming convention for temporary columns in DAX expressions to avoid ambiguity with the measure reference notation. Read more
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This article describes how to create a slicer showing the values of multiple columns, applying the filter on any of the underlying columns. Read more
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This article describes different techniques to display the first three products for each category in Power BI. It includes considerations on how to adapt the technique to different models and requirements. Read more
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This article explains how calculation items are applied to measure references, and it is part of a series dedicated to calculation groups in DAX. Before starting, we suggest you read the previous articles in this series. Read more
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This article explores the properties of calculation groups in detail and then it describes how a calculation item is applied to a measure. Before starting, we suggest you read the previous article that introduces calculation groups. Read more
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This article showcases the use of CONCATENATEX, a handy DAX function to return a list of values in a measure. Read more