id</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;max&quot;</span><span class="p">)</span>
            <span class="n">std</span> <span class="o">=</span> <span class="n">prop_grid</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;std&quot;</span><span class="p">)</span>
            <span class="n">n</span> <span class="o">=</span> <span class="n">prop_grid</span><span class="o">.</span><span class="