_chi_square_lcdf; (reals y | reals nu, reals sigma); -->
<p></p>
<p><code>real</code> <strong><code>scaled_inv_chi_square_lcdf</code></strong><code>(reals y | reals nu, reals sigma)</code><br> The log of the scaled inverse Chi-square cumulative distribution function of y given degrees of freedom nu and scale sigma</p>
<small><i>Available since 2.12</i></small>
<a id="index-entry-5f64b2f0bae60e336dba14a7efe683097fc8c8c8" class="index-entry"></a> <!-- real; scaled_inv_chi_square_lccdf; (reals y | reals nu, re