"fa fa-check"></i><b>16.4.1</b> Principal component analysis</a></li>
<li class="chapter" data-level="16.4.2" data-path="multivariate.html"><a href="multivariate.html#factor-analysis"><i class="fa fa-check"></i><b>16.4.2</b> Factor analysis</a></li>
<li class="chapter" data-level="16.4.3" data-path="multivariate.html"><a href="multivariate.html#determining-the-number-of-factors"><i class="fa fa-check"></i><b>16.4.3</b> Determining the number of factors</a></li>
</ul></li>
<li class="chapter" data-level="16.