ty density function</h3>
<p>If <span class="math inline">\(\nu \in \mathbb{R}^+\)</span>, then for <span class="math inline">\(y \in \mathbb{R}^+\)</span>, <span class="math display">\[\begin{equation*}
\text{InvChiSquare}(y \, | \, \nu) = \frac{2^{-\nu/2}}    {\Gamma(\nu
/ 2)} \, y^{-\nu/2 - 1} \, \exp\! \left( \! - \, \frac{1}{2} \,
\frac{1}{y} \right) . \end{equation*}\]</span></p>
</section>
<section id="sampling-statement-2" class="level3">
<h3 class="anchored" data-anchor-id="sampling-statement-2">Sam