         class="s1">&#39;cluster&#39;</span><span class="p">)</span>
<span class="n">_</span> <span class="o">=</span> <span class="n">S</span><span class="o">.</span><span
                                        class="n">plot</span><span class="p">(</span><span
                                        class="n">clusters</span> <span class="o">=</span> <span
                                        class="n">prop_nx</span><span class="p">)</span>
</pre>
                                </div>
                