 <strong><code>scaled_inv_chi_square_rng</code></strong><code>(reals nu, reals sigma)</code><br> Generate a scaled inverse Chi-squared variate with degrees of freedom nu and scale sigma; 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 functions</a>.</p>
<small><i>Available since 2.18</i></small>
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