g to do is we’re going to call shape files for the US states and counties. We get this from the <a href="https://github.com/UrbanInstitute/urbnmapr">urbnmapr</a> package. We need to also call the <a href="https://CRAN.R-project.org/package=sf">sf package</a> because we are working with shapefiles.</p>
<div class="sourceCode" id="cb4"><html><body><pre class="r"><span class="no">states_sf</span> <span class="kw">&lt;-</span> <span class="kw pkg">urbnmapr</span><span class="kw ns">::</span><span class="fu"><