ge graph'</span>, <span class="st">'alphab. reordered linerange graph'</span><span class="op">)</span></span></code></pre>
<p><img src="figures/factor_04-1.png" width="1152"></p>
<pre><code><span><span class="va">fac</span> <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">(</span><span class="st">'point graph'</span>, <span class="st">'freq. reordered point graph'</span>, <span class="st">'alphab. reordered point graph'</sp