ing-statement-3">Sampling statement</h3>
<p><code>y ~</code> <strong><code>scaled_inv_chi_square</code></strong><code>(nu, sigma)</code></p>
<p>Increment target log probability density with <code>scaled_inv_chi_square_lupdf(y | nu, sigma)</code>.</p>
<small><i>Available since 2.0</i></small>
<a id="index-entry-d782005ee920606bf8bdd43885ae449421dce0f6" class="index-entry"></a> <!-- real; scaled_inv_chi_square ~; -->
<p></p>
</section>
<section id="stan-functions-3" class="level3">
<h3 class="anchored" data-a