#### 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.
Preface
Part 1: Introduction to Tableau
Free Chapter
Chapter 1: Tableau Desktop Specialist Certification Overview
Chapter 2: Data Ingestion
Chapter 3: How to Interpret Data in a Tableau Visualization
Chapter 4: Working with Dimensions, Measures, and Marks (Oh My)
Chapter 5: Calculations and Functions Syntax
Part 2: Mastering the Exam
Chapter 6: Connecting to and Preparing Data
Chapter 7: Understanding and Creating Fundamental Charts in Tableau
Chapter 8: Data Organization and Worksheet Analytics
Chapter 9: Sharing Insights
Part 3: The Final Prep
Chapter 10: Exam Preparation
Chapter 11: Mock Test
Index
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# Creating bins and histograms

Bins are used to create dimensions for continuous measures (otherwise known as green pills). Bins cannot be used in calculations, but show up as fields on the Data pane. Bins are identified with a histogram icon to the left of the field name. Let’s start by creating a bin from the Quantity field. See the bin icon in Figure 8.19:

Figure 8.19 – Bin icon

In this use case, your stakeholder wants to review the breakdown of orders by individual order numbers to see their distribution. Histograms are used to see distributions.

## Instructions for creating a bin and a histogram

A bin is a field needed to develop histograms. In the following hands-on example, you will be able to develop a bin to be used in a histogram:

1. Create a new worksheet and name it `Bin and ``Histogram Example`.
2. Right-click on the Quantity field and click on Create and Bins.
3. In the Edit Bin popup, review the options.
4. Keep the field...