
<span>       x<span class="op">=</span><span class="cn">NULL</span>,y<span class="op">=</span><span class="st">"Number of units"</span><span class="op">)</span></span></code></pre></div>
<p><img src="working_with_large_tables_files/figure-html/unnamed-chunk-10-1.png" alt="Vignette example plot, new motor vehicle sales" width="672"></p>
</div>
<div class="section level2">
<h2 id="partitioning">Partitioning<a class="anchor" aria-label="anchor" href="#partitioning"></a>
</h2>
<p>To improve read performance of