ts"></a>
</h3>
<p>Specifying additional arguments of <code><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot()</a></code> changes what
and how various elements are being displayed.</p>
<ul>
<li>
<p><code>what</code> should be visualized? The <code>what</code>
argument selects contents to be plotted:</p>
<ul>
<li><p>When <code>what = 'all'</code> (as by default), the plot shows
both a tree diagram and a range of corresponding performance statistics.
Using one of the other <cod