How to Make Unit Charts with Icon Images in R
Make the unit chart less abstract with icons that represent the data, or use this in place of a bar chart.
You’ve probably seen the charts where instead of dots, icons represent data points to provide a less abstract representation of the subject material. A lot of the time it’s people silhouettes, which is why there’s a People font.
The font is for the web though. There’s a straightforward way to do this in R. We’ll draw from a previous tutorial on unit charts for organization and grids, so the main task is figuring out how to load and place images on a plot.
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 Grid Map with Histograms in R, with ggplot
Layout multiple charts in a single view. Then adjust the scales appropriately for maximum comparability and a unified graphic.
How to Make a Moving Bubble Chart, Based on a Dataset
Ooo, bubbles… It’s not the most visually efficient method, but it’s one of the more visually satisfying ones.
How I Made That: Searchable Time Series Chart
When there are too many options or categories, it can be helpful to make the data searchable.