 class="op">)</span>
<span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="st"><a href="http://afex.singmann.science/">"afex"</a></span><span class="op">)</span>
<span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="st"><a href="https://github.com/rvlenth/emmeans">"emmeans"</a></span><span class="op">)</span>
<span class="kw"><a href="https://rdrr.io/r/base/library.html">library<