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

Enriching data with AI

Power Query also includes ways to enhance data using AI services from Microsoft. These features integrate with Microsoft Azure Cognitive Services and require a Power BI Premium capacity or per-user license. The options for AI Insights include the following:

Language detection
Key phrase extraction
Sentiment analysis
Image tagging

Let's consider why each of these would be useful.

Language detection

When data contains free-text fields, and we want to use those in analysis, it's important to first ensure we know the language used in the text. The accuracy and usability of subsequent text analysis are enhanced when the language of a given text block is known. AI Insights provides capabilities to detect language and it is recommended to start with language detection before performing key phrase extraction or sentiment analysis. AI Insights can detect up to 120 languages and returns both the name of the language as well as...