Mastering Dual-Axis Charts in Tableau: A Complete Beginner's Guide
When it comes to visualizing complex data in Tableau, D ual-axis charts are a game-changer. They allow you to layer two different measures in a single view, making it easier to spot patterns, relationships, and trends that might otherwise go unnoticed. In this blog post, we’ll cover what dual-axis charts are, why they’re useful, and how you can create one in Tableau with ease. What is a Dual Axis Chart? A Dual Axis Chart (also called a dual-axis combo chart) allows you to plot two independent measures on two different axes — one on the left and one on the right. These measures can have different scales or even different chart types, but they share the same X-axis (like Date, Category, etc.). Example: You might want to plot Sales as bars and Profit Margin as a line over time. Since sales figures and percentages are on totally different scales, a dual-axis chart keeps both readable. Why Use Dual Axis Charts? Compare two ...