Adding Legends in R
Make sure you explain your visual encodings so that others can interpret them.
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Working with Map Projections and Shapefiles in R
No need to settle for the mapping defaults in R. Apply map projections to show geographic data in a way most suitable for your work.
Using Color Scales and Palettes in R
Color can drastically change how a chart reads and what you see in your data, so don’t leave it up to chance with defaults.
A Course for Visualization in R, Taking You From Beginner to Advanced
Where to start? What to learn next? Here’s a course to help take you from beginner to advanced.