pan class="va">leg_via</span>, col <span class="op">=</span> <span class="st">"black"</span>, add <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">lv</span><span class="op">$</span><span class="va">leg_dest</span>, col <span class="op">=</span> <span class="st">"green"</span>, lwd <span cla