pan class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://r-forge.r-project.org/projects/car/" class="external-link">car</a></span><span class="op">)</span>    <span class="co"># for Anova</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># make shorter labels for epochs</span></span></span>
<span class="r-in"><span><span class="va">Skulls</span><span cla