#### 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.
Chapter 2: Transforming Data
Chapter 3: Calculations
Chapter 4: Grouping and Filtering
Chapter 5: Charts
Chapter 6: Dashboards
Chapter 7: Formatting
Chapter 8: Publishing and Managing Content
Chapter 9: Accessing the Online Practice Resources
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# Combination Chart

In combination charts, two charts share a dual axis to create one singular chart. These are useful to compare two measures and can allow flexibility in the types of charts that can be used to compare.

Figure 5.21: Example of a combination chart

Items needed to build this chart are as follows:

 Columns Dimension Rows Two measures that are Dual Axis Marks Depending on the axis

Table 5.16: Requirements to build a combination chart

Now it is time to build a combination chart. Follow the next steps to see how this chart is built:

1. Choose the two measures desired to compare and a dimensional field to break down the view.
2. Drag the dimension to Columns.
3. Drag the measures next to each other in the Rows shelf.
4. This...