ass="chapter" data-level="6.3.2" data-path="sec:4levelFactor.html"><a href="sec:4levelFactor.html#contrasts-in-linear-regression-analysis-the-design-or-model-matrix"><i class="fa fa-check"></i><b>6.3.2</b> Contrasts in linear regression analysis: The design or model matrix</a></li>
<li class="chapter" data-level="6.3.3" data-path="sec:4levelFactor.html"><a href="sec:4levelFactor.html#polynomialContrasts"><i class="fa fa-check"></i><b>6.3.3</b> Polynomial contrasts</a></li>
</ul></li>
<li class="chapter" dat