n class="r-pr">#&gt;</span>   X   estimate       lower      upper</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1 0 0.00000000  0.00000000 0.00000000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2 1 0.02453919 -0.04613972 0.09298423</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Time:  2.1 </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   X   estimate       lower      upper</span>
<s