i>Available since 2.12</i></small>
<a id="index-entry-97387dc941bc4a4869eee5819e8687df2f4ee96b" class="index-entry"></a> <!-- R; rayleigh_rng; (reals sigma); -->
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<p><code>R</code> <strong><code>rayleigh_rng</code></strong><code>(reals sigma)</code><br> Generate a Rayleigh variate with scale sigma; may only be used in generated quantities block. For a description of argument and return types, see section <a href="../functions-reference/conventions_for_probability_functions.html#prng-vectorization">ve