�� What determines ratings of wine quality? <a href="https://archive.ics.uci.edu/ml/datasets/Wine" class="external-link">source</a>
</li>
</ul>
<div class="section level4 unnumbered">
<h4 class="unnumbered" id="details-about-the-datasets">Details about the datasets<a class="anchor" aria-label="anchor" href="#details-about-the-datasets"></a>
</h4>
<p>When preparing data to be predicted by FFTs, we usually distinguish
between several (categorical or numeric) predictors and a (binary)
criterion variable. <stro