on</a>
<ul>
<li class="chapter" data-level="7.1" data-path="dr.html"><a href="dr.html#principal-component-analysis-idea-behind-pca."><i class="fa fa-check"></i><b>7.1</b> Principal Component Analysis: idea behind PCA.</a></li>
<li class="chapter" data-level="7.2" data-path="dr.html"><a href="dr.html#principal-component-analysis-pca-applications."><i class="fa fa-check"></i><b>7.2</b> Principal Component Analysis: PCA applications.</a></li>
<li class="chapter" data-level="7.3" data-path="dr.html"><a href="dr