DAX Tag

Power BI has a great functionality of Drill-down. Once you add a hierarchy to the visual, then you can let end user decide how he would like to browse through the items. It is handy especially on maps where typical hierarchy is from continents, thru countries to cities. If we take a look at map we wouldn’t want to see all the cities in the world at the same view. It would be pretty unreadable. And this is the exact scenario where, hierarchy drill-down helps a lot....