tribution-statement">Distribution statement</h3>
<p><code>theta ~</code> <strong><code>beta</code></strong><code>(alpha, beta)</code></p>
<p>Increment target log probability density with <code>beta_lupdf(theta | alpha, beta)</code>.</p>
<small><i>Available since 2.0</i></small>
<a id="index-entry-ed6b0e2a1365933147e892aab802b3da10b2bb6d" class="index-entry"></a> <!-- real; beta ~; -->
<p></p>
</section>
<section id="stan-functions" class="level3">
<h3 class="anchored" data-anchor-id="stan-functions">Stan fu