<span class="n">dropna</span><span class="p">()</span>
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<div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[15]:
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<div class="input_area highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">res</span> <span class="o">=</span> <span class="n">smf</span><span class="o">.</span><span class="n">logit</span><span class="p">(</span><span class="s2">&quot;su