This article describes projection functions and techniques in DAX, showing the differences between SELECTCOLUMNS, ADDCOLUMNS, and SUMMARIZE.  Read more

This article describes how to write efficient DAX expressions that compute the compound interest of incremental investments made throughout the holding period, using the PRODUCTX function.  Read more

This article shows how to use the USERELATIONSHIP function in DAX to change the active relationship in a CALCULATE function.  Read more

This article describes how to use DAX calculated columns to sort names that look like duplicates at a certain level of a hierarchy, but are unique when considering their full path within the hierarchy.  Read more

This article explains how to show different customers with the same name in a Power BI report by using zero-width spaces, thus simplifying the presentation without adding visible characters to make the names unique.  Read more

This article describes how to optimize a slow Power BI report with a large number of card visuals, by obtaining the same graphical layout with a smaller number of visuals.  Read more