/span><span class="op">(</span>stat <span class="op">=</span> <span class="st">"identity"</span><span class="op">)</span></span></code></pre></div>
<p><img src="introduction_files/figure-html/unnamed-chunk-28-1.png" width="700"></p>
<p>Notice how this plot looks different from the one generated using
<code>stat = "density"</code>, even though the density computation was
exactly the same: (i) The density curves extend all the way to zero.
(ii) There is no horizontal line extending all the way to the limits o