Whether you're using Power BI Desktop, Power Pivot in Excel, or Analysis Services, learning Data Analysis Expressions (DAX) is essential to creating effective data models. Here are some videos to help you get started using this powerful expression language.
In this DAX 101 video, Microsoft Partner, Alberto Ferrari introduces essential concepts in DAX. With practical and clear examples, you will learn about measures, calculated columns, and basic data modeling expressions with DAX.
In this advanced DAX video, Microsoft Partner, Alberto Ferrari describes DAX theory, filter and row context, and other essential concepts in DAX.
Practical DAX for Power BI
In this video, Microsoft Principal Program Manager, Phil Seamark, walks through some best practices for practical uses of DAX in Power BI.