ot</a></span><span class="op">(</span><span class="va">titanic.fft</span>, what <span class="op">=</span> <span class="st">"icontree"</span>, </span>
<span>     n.per.icon <span class="op">=</span> <span class="fl">50</span>, show.iconguide <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
<div class="figure" style="text-align: center">
<img src="FFTrees_plot_files/figure-html/titanic-what-tree-1.png" alt="**Figure 3**: An FFT diagram with icon arrays 