igma)</code><br>
The log of the scaled inverse Chi-square density of y given degrees of
freedom nu and scale sigma dropping constant additive terms</p>
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<p></p>
<p><code>real</code> <strong><code>scaled_inv_chi_square_cdf</code></strong><code>(reals y, reals nu, reals sigma)</code><br>
The scaled inverse Chi-square cumulative distribution function of y
given degrees of freedom nu and scale sigma</p>
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