Three-part tutorial on making non-ugly choropleth maps in R. This is part one. Then there’s part 2 and 3. The blog is a mix of English and Spanish(?), but it might be one worth following. [via]
Second Edition
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
New tools, refined process.
