Book Image

Tableau Certified Data Analyst Certification Guide

By : Mr. Harry Cooney, Mr. Daisy Jones
Book Image

Tableau Certified Data Analyst Certification Guide

By: Mr. Harry Cooney, Mr. Daisy Jones

Overview of this book

The Tableau Certified Data Analyst certification validates the essential skills needed to explore, analyze, and present data, propelling your career in data analytics. Whether you're a seasoned Tableau user or just starting out, this comprehensive resource is your roadmap to mastering Tableau and achieving certification success. The book begins by exploring the fundamentals of data analysis, from connecting to various data sources to transforming and cleaning data for meaningful insights. With practical exercises and realistic mock exams, you'll gain hands-on experience that reinforces your understanding of Tableau concepts and prepares you for the challenges of the certification exam. As you progress, expert guidance and clear explanations make it easy to navigate complex topics as each chapter builds upon the last, providing a seamless learning experience—from creating impactful visualizations to managing content on Tableau Cloud. Written by a team of experts, this Tableau book not only helps you pass the certification exam but also equips you with the skills and confidence needed to excel in your career. It is an indispensable resource for unlocking the full potential of Tableau.
Table of Contents (11 chapters)

Heatmap

Heatmaps are otherwise known as density maps and are used to mark multiple data points that are layered. These are then color-coded to show the density of the marks in a specific chart. This can help visualize a report to show trends or geographical locations where there are denser points of data.

Figure 5.6 – Example of a heatmap

Figure 5.6: Example of a heatmap

Items needed to build this chart are as follows:

Columns

Measure

Rows

Measure

Marks

Density

Detail

Dimension

Table 5.6: Requirements to build a heatmap

The following steps will describe how to build a heat map:

  1. From the Data pane on the left, select the dimension or measure that you want to visualize using the density chart. In the preceding example...