k’s energy consumption given historical data and current weather covariates. This suggests an alternative to cross-validation, wherein individual weeks are each tested given previous data. This often allows comparing how well prediction performs with more or less historical data.</p>
</section>
<section id="approximate-cross-validation" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="approximate-cross-validation">Approximate cross-validation</h3>
<p><span class="citation" data-c