nchor-id="stan-functions-3">Stan functions</h3>
<a id="index-entry-9df549db2fb37eff9dfe90a6a22d14745f8c5fe5" class="index-entry"></a> <!-- real; scaled_inv_chi_square_lpdf; (reals y | reals nu, reals sigma); -->
<p></p>
<p><code>real</code> <strong><code>scaled_inv_chi_square_lpdf</code></strong><code>(reals y | reals nu, reals sigma)</code><br> The log of the scaled inverse Chi-square density of y given degrees of freedom nu and scale sigma</p>
<small><i>Available since 2.12</i></small>
<a id="index-entry-