Introduction to DAX
DAX can be a bit different than what we are use to in Excel. A simple youtube tutorial video will help a lot.
Kenneth Barber commented
You can also take this free course by SQLBI:
Andres Velez commented
Hello everyone, where can I download the workbook for DAX using the Microsoft documentation?
Raphael Nash commented
There already is an introduction to DAX available: https://powerbi.microsoft.com/en-us/guided-learning/powerbi-learning-7-1-intro-to-dax/