;-</span> <span class="fu">map_trait</span><span class="op">(</span><span class="va">africa</span><span class="op">$</span><span class="va">comm</span>, <span class="va">x</span>, FUN <span class="op">=</span> <span class="va">sd</span>, pol <span class="op">=</span> <span class="va">p</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/pkg/terra/man/plot.html" class="external-link">plot</a></span><span clas