Learning to Data
Tutorials, Books, and Guides
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.
deldir package 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.
Guides and Tips
Your standard choropleth map shows geographic areas colored by a single variable. You’re reading this, so you’ve seen them before. …
Naked Statistics by Charles Wheelan promises a fun, non-boring introduction to statistics that doesn’t leave you drifting off into space, …
If you take away anything from The Visual Display of Quantitative Information, make it the epilogue. This is the most …