nent is greater than
<code>single_min_variance_explained.</code> This criterion is used in
Capezza et al. (2020).</li>
<li>if “gcv”, the criterion is equal as in the previous “PRESS” case,
but the “PRESS” statistic is substituted by the generalized
cross-validation (GCV) score.</li>
</ul>
<p>Here, we use default values:</p>
<div class="sourceCode" id="cb4"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">mod</span> <span class="op">&lt;-</span> <span class="f