Use of RANKX in Power BI measures
The RANKX function in Power BI might have an unexpected behavior when applied to a column that has a specific sort order in the data model. This article explains why, and how to address this issue.
The DAX language offers a function that provides the ranking of an element sorted by using a certain expression. Such a function is RANKX, it is a scalar function and it is also an iterator. The simplest use of this function is the following: