an><span class="o">=</span><span class="s2">&quot;ls&quot;</span><span class="p">,</span> <span class="n">drop</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>

        <span class="n">par_obj</span> <span class="o">=</span> <span class="n">r_ssa</span><span class="o">.</span><span class="n">parestimate</span><span class="p">(</span><span class="n">x</span><span class="o">=</span><span class="n"