span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># multiple events</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">df_visit_events_test</span> <span class="op">&lt;-</span> <span class="fu"><a href="sim_test_data_study.html">sim_test_data_study</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>  n_pat <span class="op">=</span> <span class="fl">100</span>,</span></span>
<span class="r-in"><s