MAP function

MAP is used as an auxiliary function, in combination with the LAMBDA function, it is dynamic in nature and returns all those data range values that meet the specified condition. It reminds a little of other functions for working with dynamic arrays, but instead of values, it returns those that were calculated within a given expression. The LAMBDA function is in charge of the calculation.

Power BI Desktop visuals

Purpose of PowerBI Desktop application is to create reports on a local machine and publish them in the cloud for users who can see them anytime, at any moment, by Internet browser on a PC or a mobile device. Managers need to get clear, simple and visually nice reports. It seems that PowerBI meets all given criteria. In a text that follows I will describe various ways to create reports in PowerBI Desktop.