s</h3>
<!-- real; lognormal_lpdf; (reals y | reals mu, reals sigma); -->

<p><code>real</code> <strong><code>lognormal_lpdf</code></strong><code>(reals y | reals mu, reals sigma)</code><br>The log of the lognormal density of y given location mu and scale sigma</p>
<!-- real; lognormal_cdf; (reals y, reals mu, reals sigma); -->

<p><code>real</code> <strong><code>lognormal_cdf</code></strong><code>(reals y, reals mu, reals sigma)</code><br>The cumulative lognormal distribution function of y given location mu