ference/gf_jitter.html">gf_jitter</a></span><span class="op">(</span><span class="va">bill_length_mm</span> <span class="op">~</span> <span class="va">bill_depth_mm</span> <span class="op">|</span> <span class="va">island</span> <span class="op">~</span> <span class="va">sex</span>, color <span class="op">=</span> <span class="op">~</span> <span class="va">species</span>,</span>
<span>          width <span class="op">=</span> <span class="fl">0.05</span>, height <span class="op">=</span> <span class="fl">0.