s="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">occurrence</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span>
        <span class="n">n_features</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_number_of_features</span><span class="p">()</span>
        <span class="n">distribution</span> <span class="o">=</span> <span class="n">lil_matrix</span><span class="p">((</span><span class="mi