In this chapter, you learned one of the most critical concepts of using Tableau Public and producing accurate, informative data visualizations—connecting to, transforming, and loading data. The precepts that we discussed, such as making sure that your data source is clean and formatted properly, are relevant to working with data.

In the next chapter, we will discuss the different types of visualizations that you can make with your data and how to use each type correctly and in the most compelling manner.