s <code>stat_density</code> in the context of ridgeline
plots. In addition to setting up the proper <code>height</code> for
<code>geom_density_ridges</code>, this stat has a number of additional
features that may be useful.</p>
<div class="section level3">
<h3 id="quantile-lines-and-coloring-by-quantiles-or-probabilities">Quantile lines and coloring by quantiles or probabilities<a class="anchor" aria-label="anchor" href="#quantile-lines-and-coloring-by-quantiles-or-probabilities"></a>
</h3>
<p>By setting th