l <span class="op">=</span> <span class="st">"nam"</span><span class="op">)</span>      <span class="co"># only freq names</span></span></span>
<span class="r-plt img"><img src="plot_fnet-15.png" alt="" width="624" height="432"></span>
<span class="r-in"><span><span class="fu">plot_fnet</span><span class="op">(</span>f_lbl <span class="op">=</span> <span class="st">"num"</span><span class="op">)</span>      <span class="co"># only numeric freq values (default)</span></span></span>
<span class="r-plt img"><i