an class="n">set_title</span><span class="p">(</span><span class="s2">&quot;Single Metal Inspection Train&quot;</span><span class="p">)</span>
            <span class="n">ax</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">train_predictions</span><span class="p">[:,</span> <span class="mi">0</span><span class="p">],</span> <span class="n