ernal-link">library</a></span><span class="op">(</span><span class="va"><a href="https://midfieldr.github.io/midfielddata/" class="external-link">midfielddata</a></span><span class="op">)</span></span>
<span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></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></code></pre></div>
<p><em>Load.</em>   Practice 