This guide is designed to empower Power BI users with advanced skills in data modeling and DAX. It begins with an introduction to the foundational concepts of data modeling, where you'll learn how to structure your data for optimal performance and analysis. You’ll then progress to mastering essential DAX functions, including iterators, filters, and time intelligence. These chapters will help you create sophisticated calculations that bring your data to life.

As you advance, the guide delves into more complex topics like evaluation context, context transition, and disconnected tables. These concepts are crucial for understanding how DAX formulas interact with your data, enabling you to build more accurate and insightful reports. The guide also covers practical applications, such as transferring DAX skills to Excel and using advanced Power BI features like Analyze in Excel and Cube Formulas.

By the end of this book, you'll have a deep understanding of both data modeling and DAX, equipping you with the knowledge to tackle complex data challenges. Whether you’re working on business intelligence projects or enhancing your data analysis capabilities, this guide will give you the tools to excel in Power BI.

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Spis treści

Supercharge Power BI. Power BI is Better When You Learn To Write DAX eBook -- spis treści

• 1. Concept: Introduction to Data Modelling
• 2. Concept: Loading Data
• 3. Concept: Measures
• 4. DAX Topic: SUM(), COUNT(), COUNTROWS(), MIN(), MAX(), COUNTBLANK(), and DIVIDE()
• 5. Concept: Filter Propagation
• 6. Concept: Lookup Tables and Data Tables
• 7. DAX Topic: Calculated Columns
• 8. DAX Topic: The Basic Iterators SUMX() and AVERAGEX()
• 9. DAX Topic: CALCULATE()
• 10. DAX Topic: Making DAX Easy to Read
• 11. Concept: Evaluation Context and Context Transition
• 12. DAX Topic: IF(), SWITCH(), and FIND()
• 13. DAX Topic: VALUES(), HASONEVALUE(), SELECTEDVALUE(), and CONCATENATEX()
• 14. DAX Topic: ALL(), REMOVEFILTERS(), ALLEXCEPT(), and ALLSELECTED()
• 15. DAX Topic: FILTER()
• 16. DAX Topic: Time Intelligence
• 17. DAX Topic: Variables in DAX
• 18. DAX Topic: RANKX() and TOPN()
• 19. DAX Topic: RELATED() and RELATEDTABLE()
• 20. Concept: Disconnected Tables
• 21. Concept: Multiple Data Tables
• 22. Concept: Using Analyze in Excel and Cube Formulas
• 23. Concept: Transferring DAX Skills to Excel
• 24. Concept: Next Steps on Your DAX Journey