Introduction to creating measures using DAX in Power BI

Data Analysis Expressions (DAX) is a programming language that is used throughout Microsoft Power BI for creating calculated columns measures and custom tables. It is a collection of functions operators and constants that can be used in a formula or expression to calculate and return one or more values. You can use DAX to solve a number of calculations and data analysis problems which can help you create new information from data that is already in your model.