2bfff6789788b555b1de2f50ad833" class="index-entry"></a> <!-- R; inv_chi_square_rng; (reals nu); -->
<p></p>
<p><code>R</code> <strong><code>inv_chi_square_rng</code></strong><code>(reals nu)</code><br> Generate an inverse Chi-squared variate with degrees of freedom nu; may only be used in transformed data and generated quantities blocks. For a description of argument and return types, see section <a href="../functions-reference/conventions_for_probability_functions.html#prng-vectorization">vectorized PRNG f