s</a></span><span class="op">(</span></span>
<span>    geom <span class="op">=</span> <span class="st">"density_ridges_gradient"</span>, calc_ecdf <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>    quantiles <span class="op">=</span> <span class="fl">4</span>, quantile_lines <span class="op">=</span> <span class="cn">TRUE</span></span>
<span>  <span class="op">)</span> <span class="op">+</span></span>
<span>  <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/scale_virid