def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n_clusters</span><span class="o">=</span><span class="mi">4</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Executes Agglomerative Clustering algorithm.</span>

<span class="sd">        :param n_clusters: int, number of clusters to form (default: 4)</span>

<span class="sd">        :return: labels