Topic: Power BI
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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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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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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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This article describes how to return BLANK instead of zero in a DAX measure. Using this technique, you can remove rows in a Power BI matrix visual where the result of a measure is zero. Read more
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This article introduces the syntax to describe in a textual form the DAX expressions and additional properties of calculation groups. Read more
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This article describes the IN operator in DAX, which simplifies logical conditions checking whether a certain value is included in a list of values or expressions. Read more
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A Date table in Power BI can have a smaller number of columns by leveraging custom format strings to adequately control the chart visualization and the sort order. Read more
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This article explains how to use SUMMARIZECOLUMNS, which is a replacement of SUMMARIZE and does not require the use of ADDCOLUMNS to obtain good performance. Read more
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This article explains how to create a calculated column in DAX to get a sequential number identifying the events related to a particular entity. Read more
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When used in a composite model, calculation groups show a very unique behavior that a good DAX developer must understand well to build sound models. In this article we describe how composite models and calculation groups work together. Read more