">#&gt;</span> ==&gt; Building Cox model...</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> ==&gt; Done.</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> covariates=NULL but drop_controls=TRUE, detecting controls...</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Yes. Setting variables to keep...</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Done.</span>
<span class="r-plt img"><img src="show_forest-3.png" alt="" width="700" height="433"></span>
<span