How to Make an Interactive Choropleth Map
When presented with a static graphic, it can be useful to see specific values after you see overall patterns. This tutorial shows you how to add simple interactions to a choropleth map so you can get specifics for regions.
To access this full tutorial and download the source code you must be a member. (If you are already a member, log in here.)
Get instant access to this tutorial and over a hundred more, plus courses, guides, and additional resources.
You'll get unlimited access to hundreds of hours worth of step-by-step visualization courses and tutorials for insight and presentation — all while supporting an independent site. Source code and data is included so that you can more easily apply what you learn in your own work.
The tutorials are very helpful to move from "Oooo, cool!" to how to actually DO the cool.
Members also recieve a weekly newsletter, The Process. Keep up-to-date on visualization tools, the rules, and the guidelines and how they all work together in practice.
See samples of everything you gain access to:
More Tutorials See All →
How to Make a Bump Chart in R, with ggplot
Visualize rankings over time instead of absolute values to focus on order instead of the magnitude of change.
How to Make a Customized Excess Mortality Chart in Excel
Show current evolution against expected historical variability and add one or more series that could account for the difference.
Getting Started with Charts in R
You get a lot of bang for the buck with R, charting-wise, but it can be confusing at first, especially if you’ve never written code. Here are some examples to get started.