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Using ConcatenateX in Power BI

Reza Rad describes a DAX function:

It happens often in Power BI calculations and reports that you need to concatenate a list of values from a column. You can do this concatenation in Power Query or DAX. However, if the concatenation needs to be done dynamically. ConcatenateX is a very helpful DAX function to achieve such results. It is very helpful to understand what happens in the virtual tables in DAX too. In this article and video, I’ll explain what ConcatenateX is and how it works in Power BI and DAX.

Click through for a video, as well as a detailed explanation in blog post format.