How to Make Baseline Charts in R
By shifting the baseline to a reference point, you can focus a line chart on relative change, which can improve the visibility of smaller categories.
The baseline chart is a specific type of line chart that shows percentage changes over time. With that in mind, if you know how to make a line chart, then you know how to make a baseline chart.
The key is what comes before the actual chart-making. If you have absolute counts, you have to calculate relative change, which can be done in various ways depending on what you want to show and what you’re interested in.
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 →
Mapping With Shapefiles in R – Getting Started
Geographic data is often available as a shapefile, and there’s plenty of heavy software to get that data in a map. R is an open source option, and as a bonus, much of the work can be done in a few lines of code.
How to Visualize Proportions in R
There are many ways to show parts of a whole. Here are quick one-liners for the more common ones.
Transitioning Map, Part 3: Animate Change Over Time
How to make a bunch of maps and string them together to show change.