ictly positive parameter, <span class="math inline">\(\kappa &gt; 0\)</span>.</p>
</section>
<section id="distribution-statement-1" class="level3">
<h3 class="anchored" data-anchor-id="distribution-statement-1">Distribution statement</h3>
<p><code>theta ~</code> <strong><code>beta_proportion</code></strong><code>(mu, kappa)</code></p>
<p>Increment target log probability density with <code>beta_proportion_lupdf(theta | mu, kappa)</code>.</p>
<small><i>Available since 2.19</i></small>
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