ed as an estimate, though square error and the posterior mean are more commonly reported.</p>
</section>
</section>
<section id="cross-validation" class="level2">
<h2 class="anchored" data-anchor-id="cross-validation">Cross-validation</h2>
<p>Cross-validation involves choosing multiple subsets of a data set as the test set and using the other data as training. This can be done by partitioning the data and using each subset in turn as the test set with the remaining subsets as training data. A partition into