From the course: Power BI Data Analyst Associate (PL-300) Cert Prep: Create Model Calculations Using DAX

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Recap of functions

Recap of functions

- Functions are predetermined formulas that perform calculations using arguments in a specific order or structure. These arguments can be formulas, expressions, references to other columns, numbers, text, Boolean values, or even other functions. When working with DAX, you'll have specific categories of functions that you can call on depending on your goals. There are over 250 functions index. So when preparing for the PL-300 Exam, you'll need to get exposed to as many as you can, and you'll need to practice as much as you can. Usually, the function name will give you an indication as to what the function does, and the value it returns. So, an exam tip for you, the best way to learn DAX is practice. The DAX Reference Guide on the Microsoft Power BI Documentation site provides a full list of the DAXs functions, and a description of each. It also has examples that you can copy and paste into Power BI that helps you to…

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