A Brief Introduction to Food Deserts

As a still-learning data scientist (as if there were any other kind), I’m always on the lookout for interesting data to fiddle with, in my copious free time. Recently, my fiddling has turned toward the USDA’s Food Access Research Atlas, a resource for the study of food deserts in the US. In the coming months (here’s hopin’), I’ll be posting some of the work I’ve done, but first it’s worth diving into the concept a little.

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Drawing Pierce County: Census Maps in ggplot2

A side project I am working on (more on that later if I can manage to blog more than once a year) has me needing to interact with several datasets that are broken down by census tract. This means that, among other things, I’m going to be outputting a lot of Tacoma and Pierce county map visualizations, and need to be able to outline and mark these tracts in a variety of ways.

So! Here is a rundown of exactly how I am pulling the census shapes, and squooshing them into ggplot2 in R. First, we’re going to need a library or two. Or six. Probably six. Continue reading