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<p>After fitting, clean dataframe.</p>
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<div class="input_area highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">order</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;age&quot;</span><span class="p">,</span> <span class="s2">&quot;sex&quot;</span><span class="p">,</span> <sp