Book Image

Learn Power BI - Second Edition

By : Gregory Deckler
5 (1)
Book Image

Learn Power BI - Second Edition

5 (1)
By: Gregory Deckler

Overview of this book

To succeed in today's transforming business world, organizations need business intelligence capabilities to make smarter decisions faster than ever before. This updated second edition of Learn Power BI takes you on a journey of data exploration and discovery, using Microsoft Power BI to ingest, cleanse, and organize data in order to unlock key business insights that can then be shared with others. This newly revised and expanded edition of Learn Power BI covers all of the latest features and interface changes and takes you through the fundamentals of business intelligence projects, how to deploy, adopt, and govern Power BI within your organization, and how to leverage your knowledge in the marketplace and broader ecosystem that is Power BI. As you progress, you will learn how to ingest, cleanse, and transform your data into stunning visualizations, reports, and dashboards that speak to business decision-makers. By the end of this Power BI book, you will be fully prepared to be the data analysis hero of your organization – or even start a new career as a business intelligence professional.
Table of Contents (19 chapters)
1
Section 1:The Basics
4
Section 2:The Desktop
10
Section 3:The Service
15
Section 4:The Future

Creating calculations

We now have a workable data model that contains all of the raw data we will need to report on utilization. Recall that, at the beginning of Chapter 4, Connecting to and Transforming Data, with the rollout of unlimited Paid Time Off (PTO), it is imperative that employee utilization be tracked closely.

Utilization in this context is a calculation that involves the ratio of billable time versus the total time (billable and non-billable). From experience, the organization knows that, in order to remain profitable, the target utilization must be 80%. Therefore, we must create this calculation.

Calculated columns

Calculated columns are additional columns that are created in data model tables through the use of the DAX formula language. Calculated columns are computed for each row in a table at the time of their creation, as well as during the refresh process. Hence, the data refresh process executes the queries defined in Power Query Editor. These queries create...