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

The Tableau Marks section

In Marks, Tableau helps a developer define what a user will see and how it will be portrayed. Marks can be defined by type, color, size, label, details, path, and tooltips (underlying). In Figure 4.8, the Marks section is shown as it appears on Tableau Desktop:

Figure 4.8: The Marks section in Tableau

Figure 4.8: The Marks section in Tableau

The preceding screenshot is just the preliminary hub for transforming a visualization. In Figure 4.9, we will show you the options for changing mark types (as of Tableau Version 2022.1).

Tableau mark types

Tableau mark types dictate the framework of a visualization. You can use this to determine the chart type and share how data is displayed on a sheet:

Figure 4.9: The mark type options

Figure 4.9: The mark type options

Let us briefly explain the mark types covered in the preceding screenshot:

  • An Automatic or generated mark type in Tableau looks at the data on the visualization and tries to guess how it could be displayed...