 class="va">dend</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="co"># let's color the labels to make the followup of the rotation easier</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>mfrow <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</