Learn to visualize your data like an expert with these practical how-tos for presentation, analysis, and understanding.
The histogram is my favorite chart type, but it's unintuitive for many. So I've been using the less accurate but less abstract beeswarm.
When there are too many options or categories, it can be helpful to make the data searchable.
Something of a cross between a reference table and a map, the state grid provides equal space to each state and a semblance of the country to quickly pick out individual states.
Sometimes it's useful to animate the multiple lines instead of showing them all at once.
For the times your data represents immediate changes in value.
Add visual weight by using individual items to show counts.
Mapping geographic data in R can be tricky, because there are so many…
A detailed guide for R users who want to polish their charts in the popular graphic design app for readability and aesthetics.
In the the last part of the four-part series, you make a longer animation with more data and annotate.
How to make a bunch of maps and string them together to show change.
How to make a more readable and more visually accurate map, before you dive into the big transitions.
Rarely do you have evenly-spaced data across an entire geographic space. Here is a way to fill in the gaps.
There are many ways to show parts of a whole. Here are quick one-liners for the more common ones.
Try the more element-based approach instead of your traditional histogram or boxplot.
Use a force-directed graph to form a collection of bubbles and move them around based on data.
Instead of traditional pie charts that rely on angles and arc lengths to show parts of a whole, try this easier-to-read version.
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.
Learn to visualize temporal patterns in a couple of days.
Show connections and changes over time with start and end points.
Whether you use circles as visual encodings or as a way to highlight areas of a plot, there are functions at your disposal.
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.
deldirpackage by Rolf Turner makes the calculations and plotting straightforward, with a few lines of code.
Make sure you explain your visual encodings so that others can interpret them.
Stacked area charts let you see categorical data over time. Interaction allows you to focus on specific categories without losing sight of the big picture.