 y | reals nu)</code><br> The inverse Chi-squared cumulative distribution function of y given degrees of freedom nu</p>
<small><i>Available since 2.0</i></small>
<a id="index-entry-19a25046f012bc203f47cddbd716160311344693" class="index-entry"></a> <!-- real; inv_chi_square_lcdf; (reals y | reals nu); -->
<p></p>
<p><code>real</code> <strong><code>inv_chi_square_lcdf</code></strong><code>(reals y | reals nu)</code><br> The log of the inverse Chi-squared cumulative distribution function of y given degrees of 