tml" class="external-link">c</a></span><span class="op">(</span><span class="st">"#1b9e77"</span>, <span class="st">"#d95f02"</span><span class="op">)</span><span class="op">[</span><span class="va">k2</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/r/graphics/par.html" class="external-link">par</a></span><span class="op">(</span>mar <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/b