|\beta) = \beta \, \exp ( - \beta \, y ) . \end{equation*}\]</span></p>
</section>
<section id="sampling-statement-4" class="level3">
<h3 class="anchored" data-anchor-id="sampling-statement-4">Sampling statement</h3>
<p><code>y ~</code> <strong><code>exponential</code></strong><code>(beta)</code></p>
<p>Increment target log probability density with <code>exponential_lupdf(y | beta)</code>.</p>
<small><i>Available since 2.0</i></small>
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