Chapter 4. Using Row-Level, Aggregate, and Level of Detail Calculations

One of the most incredible things about Tableau is that it is intuitive to use. We have already seen what amazing discovery, analysis, and data storytelling is possible in Tableau by simply connecting to data and dragging and dropping fields. As we'll see, Tableau allows much more depth beyond simple drag and drop.

Calculations significantly extend the possibilities for analysis, design, and interactivity in Tableau. In this chapter, we'll see how calculations can be used in many ways. We will examine how calculations can be used to fix common problems with data, extend the data by adding new dimensions and measures, and provide additional flexibility in interactivity.

At the same time, while calculations provide additional power and flexibility, they also introduce a level of complexity and sophistication. As you work through this chapter, try to understand the key concepts behind calculations and how they work in Tableau...