y | mu, sigma, lambda)</code> dropping constant additive terms. <!-- real; exp_mod_normal ~; --> </p>
</div>
<div id="stan-functions-23" class="section level3">
<h3><span class="header-section-number">15.3.3</span> Stan Functions</h3>
<!-- real; exp_mod_normal_lpdf; (reals y | reals mu, reals sigma, reals lambda); -->

<p><code>real</code> <strong><code>exp_mod_normal_lpdf</code></strong><code>(reals y | reals mu, reals sigma, reals lambda)</code><br>The log of the exponentially modified normal density of y