/span><span class="op">(</span><span class="va"><a href="https://r-datatable.com" class="external-link">data.table</a></span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">dat</span> <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/cbind.html" class="external-link">rbind</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="https://rdatatable.gitlab.io/data.table/reference/setDT.html" class="externa