n> <span class="op">!=</span> <span class="st">"Crew"</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>       <span class="fu">aes</span><span class="op">(</span>axis1 <span class="op">=</span> <span class="va">Class</span>, axis2 <span class="op">=</span> <span class="va">Sex</span>, axis3 <span class="op">=</span> <span class="va">Age</span>, y <span class="op">=</span> <span class="va">Lives</span><span class="op">)</span><span class="op">)</span> <span class="op">+</span></span></