lustrated-with-a-three-level-factor.html"><a href="the-hypothesis-matrix-illustrated-with-a-three-level-factor.html"><i class="fa fa-check"></i><b>6.2</b> The hypothesis matrix illustrated with a three-level factor</a>
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<li class="chapter" data-level="6.2.1" data-path="the-hypothesis-matrix-illustrated-with-a-three-level-factor.html"><a href="the-hypothesis-matrix-illustrated-with-a-three-level-factor.html#sumcontrasts"><i class="fa fa-check"></i><b>6.2.1</b> Sum contrasts</a></li>
<li class="chapter" d