s="r-out co"><span class="r-pr">#&gt;</span> _______________________________________________________________</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      Estimate  Std. Error Z value Pr(&gt;|z|)    </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> mean  49.95824    0.04027  1240.5   &lt;2e-16 ***</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> sd     4.02739    0.02848   141.4   &lt;2e-16 ***</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> ---</