n><span class="op">)</span> <span class="op">+</span> <span class="fu">guides</span><span class="op">(</span>fill <span class="op">=</span> <span class="st">"none"</span><span class="op">)</span> <span class="op">+</span> <span class="fu">scale_fill_brewer</span><span class="op">(</span>type <span class="op">=</span> <span class="st">"qual"</span>, palette <span class="op">=</span> <span class="fl">1</span><span class="op">)</span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Scale for 'fil