e.org/reference/geom_density_2d.html" class="external-link">geom_density_2d()</a></code>
draws contour lines, and <code><a href="https://ggplot2.tidyverse.org/reference/geom_density_2d.html" class="external-link">geom_density_2d_filled()</a></code> draws filled contour
bands.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">gf_density_2d</span><span class="op">(</span></span>
<span>  object <span class="op">=</span> <span class="cn">