x-entry"></a> <!-- R; frechet_rng; (reals alpha, reals sigma); -->
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<p><code>R</code> <strong><code>frechet_rng</code></strong><code>(reals alpha, reals sigma)</code><br> Generate a Frechet variate with shape alpha 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>Ava