ss="fl">1</span><span class="op">)</span> <span class="op">^</span> <span class="op">(</span><span class="va">Survived</span> <span class="op">==</span> <span class="st">"No"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu">ggplot</span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/subset.html" class="external-link">subset</a></span><span class="op">(</span><span class="va">titanic</span>, <span class="va">Class</spa