Tutorials

Learn to visualize your data like an expert with these practical how-tos for presentation, analysis, and understanding.

How to Edit R Charts in Adobe Illustrator

A detailed guide for R users who want to polish their charts in the popular graphic design app for readability and aesthetics.

How to Make an Animated Map in R, Part 4

In the the last part of the four-part series, you make a longer animation with more data and annotate.

Transitioning Map, Part 3: Animate Change Over Time

How to make a bunch of maps and string them together to show change.

Transitioning Map, Part 2: Refining the Format and Layout

How to make a more readable and more visually accurate map, before you dive into the big transitions.

Transitioning Map, Part 1: Mapping Irregular Data with Interpolation in R

Rarely do you have evenly-spaced data across an entire geographic space. Here is a way to fill in the gaps.

Quickfire How-To for Visualizing Proportions in R

There are many ways to show parts of a whole. Here are quick one-liners for the more common ones.

Beeswarm Plot in R, to Show Distributions

Try the more element-based approach instead of your traditional histogram or boxplot.

Make a Moving Bubbles Chart to Show Clustering and Distributions

Use a force-directed graph to form a collection of bubbles and move them around based on data.

How to Make Square Pie Charts in R

Instead of traditional pie charts that rely on angles and arc lengths to show parts of a whole, try this easier-to-read version.

Annotating Charts in R

Let the data speak for itself they say. That doesn't work a lot of the time, and when that happens, you need to explain.

A Crash Course for Visualizing Time Series Data in R

Learn to visualize temporal patterns in a couple of days.

Drawing Lines and Segments in R

Show connections and changes over time with start and end points.

Drawing Circles and Ellipses in R

Whether you use circles as visual encodings or as a way to highlight areas of a plot, there are functions at your disposal.

Drawing Squares and Rectangles in R

R makes it easy to add squares and rectangles to your plots, but it gets a little tricky when you have a bunch to draw at once. The key is to break it down to the elements.

Voronoi Diagram and Delaunay Triangulation in R

The deldir package by Rolf Turner makes the calculations and plotting straightforward, with a few lines of code.