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

Managing data properties

Data does not always come in clean. In this section, we will go into more detail about manipulating data fields. Tableau does an excellent job of assigning field types, but there are times when it makes sense to update fields. Besides that, data does not always come in with good field names or needs aliases to work with your visualization. In this section, we will cover the necessary data properties that haven’t already been covered in other places throughout this book, such as changing default properties and reviewing data properties that can be changed.

In the following exercise, we will first look at Ship Date. The real Ship Date field comes in as a Date field, but I changed the Date field to String to provide an example of the data properties.

Note

To try this exercise yourself, you will be able to execute this exercise based on the following example (except that you will have to change Ship Date to String and then back to Date).

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