
The log of the scaled inverse Chi-square complementary cumulative
distribution function of y given degrees of freedom nu and scale sigma</p>
<!-- R; scaled_inv_chi_square_rng; (reals nu, reals sigma); -->
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<p><code>R</code> <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 arg