🚨 Day 3 of #30DayMapChallenge is live!
Global polygons and how to make them render correctly across projections. Repairing the geometries, and splitting multipolygons.

More insights: bookdown.org/fede_gazzell...

#DataViz #RStats #SpatialAnalysis #Maps #hmsidwR

🚨 Day 2 of #30DayMapChallenge is live!
Connections with lines 🌍 — from Wuhan to affected countries, using straight lines, great-circle curves, and flight-route style arcs.

More insights: bookdown.org/fede_gazzell...

#DataViz #RStats #SpatialAnalysis #Maps #hmsidwR