Book Image

Microsoft Power BI Data Analyst Certification Guide

By : Orrin Edenfield, Edward Corcoran
5 (1)
Book Image

Microsoft Power BI Data Analyst Certification Guide

5 (1)
By: Orrin Edenfield, Edward Corcoran

Overview of this book

Microsoft Power BI enables organizations to create a data-driven culture with business intelligence for all. This guide to achieving the Microsoft Power BI Data Analyst Associate certification will help you take control of your organization's data and pass the exam with confidence. From getting started with Power BI to connecting to data sources, including files, databases, cloud services, and SaaS providers, to using Power BI’s built-in tools to build data models and produce visualizations, this book will walk you through everything from setup to preparing for the certification exam. Throughout the chapters, you'll get detailed explanations and learn how to analyze your data, prepare it for consumption by business users, and maintain an enterprise environment in a secure and efficient way. By the end of this book, you'll be able to create and maintain robust reports and dashboards, enabling you to manage a data-driven enterprise, and be ready to take the PL-300 exam with confidence.
Table of Contents (25 chapters)
1
Part 1 – Preparing the Data
6
Part 2 – Modeling the Data
11
Part 3 – Visualizing the Data
15
Part 4 – Analyzing the Data
18
Part 5 – Deploying and Maintaining Deliverables
21
Part 6 – Practice Exams

Decomposition tree visual

Similar to the key influencers visualization, the decomposition tree visual also lets you see your data across multiple dimensions. You can use it for improvised exploration and conducting root cause analysis.

The decomposition tree visualization can be found in the Visualizations pane. Once you have added it to the report, you start by selecting the field you want to analyze. You can then add one, or preferably more, fields to Explain by. If this sounds familiar, it's because it's the exact same thing you did for the key influencers visual.

Figure 13.13 – You can choose the order you want to decompose your tree in

The decomposition tree visual will update as data fields are added to the Explain by configuration. When a new field is added to Explain by, the visual updates, with the + symbol being added to the visual. By clicking +, you can then select how you want the decomposition tree visual to generate the next...