></span><span class="op">(</span><span class="va">CO_wb</span><span class="op">[</span><span class="fu"><a href="https://rdrr.io/r/base/grep.html" class="external-link">grepl</a></span><span class="op">(</span><span class="st">"Powell"</span>, <span class="va">CO_wb</span><span class="op">$</span><span class="va">gnisidlabel</span><span class="op">)</span>,<span class="op">]</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>     col <span class="op">=</span> <span class="st">"blue"</sp