bp">self</span><span class="o">.</span><span class="n">N</span><span class="p">)),</span> 
                            <span class="n">new_data</span><span class="o">=</span><span class="n">DataFrame</span><span class="p">(</span><span class="n">data</span><span class="p">,</span> <span class="n">missing_flag</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">missing_flag</span><span class="p">)</span>
                        <span class="p">)</span>

         