ith by = 'cd'/'dc'/'ac') instead.</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Argument 'title_lbl' is deprecated. Please use 'main' instead.</span>
<span class="r-plt img"><img src="plot_tree-1.png" alt="" width="624" height="432"></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># alternative perspectives:</span></span></span>
<span class="r-in"><span><span class="fu">plot_tree</span><span class="op">(</span>by <span class="op">=</span> <span class=