DAX (Data Analysis Expressions) is the formula language of Power BI — and mastering it separates good analysts from great ones. In this article, I'll walk you through the patterns I use daily.
Key Concepts Covered:
- Understanding row context vs filter context
- CALCULATE and how it shifts context
- Time Intelligence patterns (YTD, MTD, QTD)
- Advanced patterns: RANKX, SWITCH, VAR
- Optimization tips for large datasets
Full article coming soon. Stay tuned!