Tutorials

Practical how-tos on how to make any chart and apply methods to your own data. Get unlimited access as a member.

How to Use Packed Circles in R

Adjust coordinates, geometries, and encodings with packed circles to make various types of charts.

How to Make Alluvial Diagrams

Here's how to do it in R from start to finish, plus editing in illustration software. Make design choices and trade-offs for more readable charts.

How to Make Ternary Plots in R, with ggplot2

When you want to compare between three parts of your data, ternary plots might be a good option. Here is how to make them.

How to Make Small Multiples in Excel

Also known as trellis charts, lattice chart, or whatever you want to call them, the technique lets you compare several categories in one view.

How to Make an Animated Beeswarm Chart

Beeswarm charts are useful to highlight individual categories or entities. Animating them can help highlight change over time.

How to Make Marimekko Charts in Excel

Marimekko charts, or mosaic plots, allow you to compare categories over two quantitative variables.

How to Make Symbol-based Glyph Charts, with R Examples

Using geometric shapes as an encoding can provide another dimension to your charts.

How to Make a Heatmap in Excel

Heatmaps quickly translate data tables into a visual form, making them a great tool to explore a new dataset.

How to Untangle a Spaghetti Line Chart (with R Examples)

Put multiple time series lines on the same plot, and you quickly end up with a mess. Here are practical ways to clean it up.