ariables (those
satisfying the declared constraint) to unconstrained variables (those
ranging over all of <span class="math inline">\(\mathbb{R}^n\)</span>).</p>
<p>It is worth calling out the most important aspect of constrained data
types:</p>
<div style="margin:0 2em 0 2em">
<p><em>The model must have support (non-zero density, equivalently finite
log density) at parameter values that satisfy the declared
constraints.</em></p>
</div>
<p>If this condition is violated with parameter values that satisfy
dec