lass="op">(</span>option <span class="op">=</span> <span class="st">"E"</span><span class="op">)</span><span class="op">+</span>
  <span class="fu">stat_summary</span><span class="op">(</span>fun <span class="op">=</span> <span class="st">"mean"</span>, geom <span class="op">=</span> <span class="st">"point"</span>,
               position <span class="op">=</span> <span class="fu">position_dodge</span><span class="op">(</span>width <span class="op">=</span> <span class="fl">0.9</span><span class="op">)</sp