l' is already present. Adding another scale for 'fill', which</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> will replace the existing scale.</span>
<span class="r-plt img"><img src="APTSIZE-7.png" alt="" width="700" height="433"></span>
<span class="r-in"><span class="co"># base graphics</span></span>
<span class="r-in"><span class="fu"><a href="https://rdrr.io/r/graphics/boxplot.html" class="external-link">boxplot</a></span><span class="op">(</span><span class="va">size</span> <span class="