Extreme DAX - Rozema, Michiel

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Résumé :
Discover the true power of DAX and build advanced DAX solutions for practical business scenarios


Key Features:Solve complex business problems within Microsoft BI tools including Power BI, SQL Server, and Excel
Develop a conceptual understanding of critical business data modeling principles
Learn the subtleties of Power BI data visualizations, evaluation context, context transition, and filtering




Book Description:
If you want to get the most out of Microsoft Business Intelligence tools, sooner or later you'll need to master DAX. Extreme DAX enables business analysts to generate powerful and sophisticated analyses from their data.


You'll learn the principles of business intelligence, good model design, and how DAX fits into it all. Then, you'll launch into detailed examples of DAX in real-world business scenarios such as inventory calculations, forecasting, intercompany business, and data security. At each step, senior DAX experts will walk you through the subtleties involved in working with Power BI models and common mistakes to look out for as you build advanced data aggregations.


You'll deepen your understanding of DAX functions, filters, and measures, and how and when they can be used to derive effective insights. Also provided with the book are PBIX files for each chapter for you to follow along with and explore in your own time.


What You Will Learn:Understand data modeling concepts and structures before you start working with DAX
Grasp how relationships in Power BI models are different from those in RDBMSes
Secure aggregation levels, attributes, and hierarchies using PATH functions and row-level security
Get to grips with the crucial concept of context
Apply advanced context and filtering functions including TREATAS, GENERATE, and SUMMARIZE
Explore dynamically changing visualizations with helper tables and dynamic labels and axes
Work with week-based calendars and understand standard time-intelligence
Evaluate investments intelligently with the XNPV and XIRR financial DAX functions




Who this book is for:
If you are an analyst with a working knowledge of DAX in MS Power BI or other Microsoft analytics tools, this book will help you upgrade your DAX knowledge and work with analytical models more effectively.


This book is not for beginners and practical experience with DAX is necessary.

Biographie:
Michiel Rozema is one of the world's top Power BI experts, living in the Netherlands. He holds a master's degree in mathematics and has worked in the IT industry for over 25 years as a consultant and manager. Michiel was the data insight lead at Microsoft Netherlands for 8 years, during which time he launched Power BI in the country. He is the author of two Dutch books on Power Pivot and Power BI. Michiel is one of the founders of the Dutch Power BI user group and the organizer of the Power BI Summer School, and has been a speaker at many conferences on Power BI. He has been awarded the Microsoft MVP award since 2019 and, together with fellow MVP Henk Vlootman, runs the consultancy company Quanto, specialists in Power BI.