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Getting two different area datasets to play well together (in this case, population density and presence/absence of leopards), is often a big challenge. It took a long stretch of trial and error, and I’ve included some of my false starts so that you can see behind the scenes. But, I’m glad it came together so well! This piece appeared in an article in the March 2023 edition of Scientific American. Note that the online version is formatted a bit differently than the print version seen here.