Book Image

Tableau Desktop Specialist Certification

By : Adam Mico
Book Image

Tableau Desktop Specialist Certification

By: Adam Mico

Overview of this book

The Tableau Desktop Specialist certification is fundamental for any data visualization professional who works in the field with Tableau. This book gets you started by covering the exam format, Tableau basics, and best practices for preparing data for analysis and visualization. It also builds on your knowledge of advanced Tableau topics to get you up to speed with the essential domains and domain objectives. Although the guide provides an outline and starting point to key in on what needs to be understood before the examination, it also delivers in context to give you a strong understanding of each piece before taking the exam. Instructions on how to get hands on with examples, a common data source, and suggested elements are also included. Understanding the concepts will not only assist you in passing the examination, but will also help you work effectively with the tool in your workspace. By the end of this book, you'll be able to efficiently prepare for the certification exam with the help of mock tests, detailed explanations, and expert advice from the author.
Table of Contents (17 chapters)
1
Part 1: Introduction to Tableau
7
Part 2: Mastering the Exam
12
Part 3: The Final Prep

Formatting fields in the Data Source pane

Tableau Desktop provides an effective basic data-cleaning tool. Since the focus of this book is Tableau Desktop, it is important to understand the basics of utilizing the Data Source pane’s data cleaning functions. Let’s cover the basics of what can be done from the Data Source pane with the help of the following screenshot:

Figure 2.7 – Data Source pane view

Figure 2.7 – Data Source pane view

Let’s understand the highlighted fields:

  1. This is the table identifier. To its right, we can see the number of fields (or columns) and the number of rows. Using the dropdown provided, you can access information about other tables in the model.
  2. This section displays the data’s Type, Field Name, Physical Table (see Orders from Orders), and Remote Field Name.
  3. This section shows the data type indicators. Date type updates are often made on this pane (although this can be done using section #2 and a worksheet).
  4. ...