eference external" href="https://arxiv.org/abs/1402.1920">Degrees of Freedom and Model Search</a> (tibshirani 2014)</p>
<ul>
<li><p>degrees of freedom = quantitative description of the amount of fitting performed by a given procedure</p></li>
</ul>
</li>
<li><p><a class="reference external" href="https://projecteuclid.org/download/pdf_1/euclid.aos/1176347115">linear smoothers and additive models</a> (buja et al. 1989) see page 469 for degrees of freedom in ridge</p></li>
</ul>
</section>
</section>
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