/span><span class="op">(</span><span class="fu"><a href="aes.html">aes</a></span><span class="op">(</span>colour <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a></span><span class="op">(</span><span class="va">cyl</span><span class="op">)</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">p</span> <span class="op">+</span> <span class="