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This is an old version, <a href="https://mc-stan.org/docs/reference-manual/index.html">view current version</a>.
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<h1 class="title">Stan Reference Manual</h1>
<h2 class="subtitle"><em>Version 2.28</em></h2>
<p class="author"><em>Stan Development Team</em></p>
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<div id="overview" class="section level1 unnumbered">
<h1><i style="font-size: 110%; padding:1.5em 0 0 0; color:#990017;">Overview