<span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"countryCode"</span>, <span class="st">"countryName"</span>, <span class="st">"ISO3"</span>, <span class="st">"FIPS"</span>,</span>
<span>                 <span class="st">"UN_region"</span>, <span class="st">"polygonID"</span><span class="op">)</span></span>
<span><span class="va">SimpleCountries</span> <span class="op">&lt;-</span> <span class="