0   77.96614  303.93594 1184.83559 </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $optim</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $optim$par</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] 6.97243417 0.06378995</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $optim$obj_value</span>
<span class="r-out co"><span class