ent2</span><span class="op">)</span> <span class="op">/</span> <span class="fl">0.5</span><span class="op">)</span>,
  ICD4 <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/stats/Poisson.html">rpois</a></span><span class="op">(</span><span class="fl">8000</span>, <span class="fl">2</span> <span class="op">*</span> <span class="fu"><a href="https://rdrr.io/r/stats/GammaDist.html">rgamma</a></span><span class="op">(</span><span class="fl">8000</span>, <span class="fl">0.5</span><span clas