"n">dataset</span><span class="p">[:,</span> <span class="n">i</span><span class="p">]))</span> <span class="o">+</span> \
                            <span class="bp">self</span><span class="o">.</span><span class="n">alpha</span> <span class="o">*</span> <span class="p">(</span><span class="n">dataset</span><span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="n">i</span><span class="p">]</span> <span class="o">+</span> <span class="n">dataset</span><span class="p">[</span