span class="co">#&gt;   63985.1 63985.1</span></span>
<span><span class="co">#&gt; _______________________________________________________________</span></span>
<span><span class="co">#&gt;    Estimate  Std. Error Z value Pr(&gt;|z|)    </span></span>
<span><span class="co">#&gt; sd    5.9317     0.0401   147.9   &lt;2e-16 ***</span></span>
<span><span class="co">#&gt; ---</span></span>
<span><span class="co">#&gt; Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1</span></span>
<span><span clas