s://ggplot2.tidyverse.org/reference/labs.html" class="external-link">labs</a></span><span class="op">(</span>x <span class="op">=</span> <span class="st">"1999 Salary"</span><span class="op">)</span> <span class="op">+</span></span></span>
<span class="r-in"><span>           <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/ggtheme.html" class="external-link">theme_bw</a></span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span>