an>, merge_models <span class="op">=</span> <span class="cn">TRUE</span>,</span></span>
<span class="r-in"><span>  vars_to_show <span class="op">=</span> <span class="st">"sex"</span></span></span>
<span class="r-in"><span><span class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> =&gt; Processing variable sex</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> ==&gt; Building Surv object...</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> ==&gt; Bu