e: 1 × 21</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   solution status    obj  cost F1_action F2_action F3_action F4_action F5_action</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      <span style="color: #949494; font-style: italic;">&lt;int&gt;</span> <span style="color: #949494; font-style: italic;">&lt;chr&gt;</span>   <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span> <span style="color: #949494; font-style: italic;">&lt;dbl&gt;</span>     <s