This repo contains a PDF version of the slides for my 2017 OpenVisConf talk, How Spatial Polygons Shape Our World.

• Prop 1 election results
• All maps of parameter estimates are misleading
• Avoiding Data Pitfalls, Part 2: Fooled by Small Samples (Kidney cancer rates by county)
• Surprise! Bayesian Weighting for De-Biasing Thematic Maps
• 2008 Presidental election map
• 2004 Presidental election cartogram
• Square and hexagon cartograms
• Whose map is better? Quality metrics for grid map layouts
• Evaluating cartogram effectiveness
• RStudio data wrangling cheatsheet
• Modifiable Areal Unit Problem
• Histogram essay
• Gerrymandering
• Last Week Tonight on gerrymandering
• "The best explanation of gerrymandering you will ever see"
• Redistricting game
• Disser
• Dotting the dot map, revisted Jon Kimerling
• Spatial aggregation explorer
• Redraw the states
• How zip codes almost masked the lead problem in Flint

• Pierre Goovaerts, whose talk on geostatistics in practice at UCLA in 2014 started me thinking about the change of support problem.
• Friedrich Hartmann, who introduced me to dasymetric mapping and the MAUP at IEEEVis in 2014.
• Moon Duchin, one of the mathematicians solving gerrymandering.
• Richard Casey Sadler, who works on public health problems in Michigan.