s://mc-stan.org/docs/reference-manual/types.html#overview-of-data-types">view current version</a>.
</div>
<div id="overview-of-data-types" class="section level2" number="5.1">
<h2><span class="header-section-number">5.1</span> Overview of data types</h2>
<p>Arguments for built-in and user-defined functions and local variables
are required to be basic data types, meaning an unconstrained scalar,
vector, or matrix type, or an array of such.</p>
<p>Passing arguments to functions in Stan works just like assignm