How to Make Dot Density Maps in R
Choropleth maps are useful to show values for areas on a map, but they can be limited. In contrast, dot density maps are sometimes better for showing distributions within 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 Bivariate Area Charts in R
Quickly compare two time series variables with this line-area chart hybrid that originated in the 1700s. Also known as: difference chart.
How to Make Slopegraphs in R
Also known as specialized or custom line charts. Figure out how to draw lines with the right spacing and pointed in the right direction, and you’ve got your slopegraphs.
3-D Printing: How to Prepare the Data in R
Moving your data from the digital screen to something more physical isn’t as tricky as it seems. Here’s how I did it.