You're reading from Microsoft Power BI Data Analyst Certification Guide A comprehensive guide to becoming a confident and certified Power BI professional

Product type Paperback

Published in Jun 2022

Publisher Packt

ISBN-13 9781803238562

Length 398 pages

Edition 1st Edition

Languages

DAX

Tools

Power BI

Concepts

IT Certification

Authors (2):

Edward Corcoran

Orrin Edenfield

View More author details

Table of Contents (25) Chapters

Preface

1. Part 1 – Preparing the Data

2. Chapter 1: Overview of Power BI and the PL-300 Exam FREE CHAPTER

3. Chapter 2: Connecting to Data Sources

4. Chapter 3: Profiling the Data

5. Chapter 4: Cleansing, Transforming, and Shaping Data

6. Part 2 – Modeling the Data

7. Chapter 5: Designing a Data Model

8. Chapter 6: Using Data Model Advanced Features

9. Chapter 7: Creating Measures Using DAX

10. Chapter 8: Optimizing Model Performance

11. Part 3 – Visualizing the Data

12. Chapter 9: Creating Reports

13. Chapter 10: Creating Dashboards

14. Chapter 11: Enhancing Reports

15. Part 4 – Analyzing the Data

16. Chapter 12: Exposing Insights from Data

17. Chapter 13: Performing Advanced Analysis

18. Part 5 – Deploying and Maintaining Deliverables

19. Chapter 14: Managing Workspaces

20. Chapter 15: Managing Datasets

21. Part 6 – Practice Exams

22. Chapter 16: Practice Exams

23. Other Books You May Enjoy

Appendix: Practice Question Answers

Using advanced operations of Power Query

Power Query is truly a powerful tool for data transformation that helps to enable capabilities that often meet all the needs for modern reporting, analytics, and visual storytelling. While this is true, there may be cases where advanced operations need to take place to meet the business needs. For these cases, Power BI provides additional capabilities that we'll discuss now.

Using the Advanced Editor

At the heart of Power Query is the data mashup engine. This engine uses the Power Query M language for defining inputs, transformations, and outputs. The M language is a case-sensitive and functional language that is like F# (https://fsharp.org/). The Power Query user interface provides a fast and efficient way of generating Power Query M code that allows developers to be productive. At the same time, the Advanced Editor functionality also allows the generated M code to be viewed and edited if needed. It's also possible to create...