reg&#39;</span><span class="p">]</span>
        
        <span class="bp">self</span><span class="o">.</span><span class="n">validation_dataset</span> <span class="o">=</span> <span class="n">validation_dataset</span>
            
    <span class="k">def</span> <span class="nf">fixed_weight_greedy_parallel</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">A</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">val_set