n class="co">#&gt; </span>
<span class="co">#&gt; Rank Regression</span>
<span class="co">#&gt; Coefficients:</span>
<span class="co">#&gt;      mu    sigma  </span>
<span class="co">#&gt; 10.2333   0.3773  </span>
<span class="co">#&gt; Method of CDF Estimation: kaplan </span>
<span class="co">#&gt; </span>
<span class="co">#&gt; Rank Regression</span>
<span class="co">#&gt; Coefficients:</span>
<span class="co">#&gt;     mu   sigma  </span>
<span class="co">#&gt; 9.8859  0.3956  </span>
<span class="co">#