op">)</span></span>
<span class="r-in"></span>
<span class="r-in"><span class="co"># using bootstrapping with direct adjustment</span></span>
<span class="r-in"><span class="va">adjsurv</span> <span class="op">&lt;-</span> <span class="fu">adjustedsurv</span><span class="op">(</span>data<span class="op">=</span><span class="va">sim_dat</span>,</span>
<span class="r-in">                        variable<span class="op">=</span><span class="st">"group"</span>,</span>
<span class="r-in">                        