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What is a map projection, really? How many are there? Why so many? Which is the best? Are they important? What do the cool kids do with them?
Map projections guarantee that your map will always be wrong-ish, but we want to help you make it right-er. This presentation will address the basics of map projections as well as challenges and tradeoffs to consider when working with spatial data. We’ll emphasize some of these tradeoffs and the push towards right-er maps through discussion of one interesting projection issue: hex bins for spatial aggregation.