ref="#cb2-8" aria-hidden="true" tabindex="-1"></a>  <span class="dt">vector</span>[N_tilde] tilde_y = alpha + beta * x_tilde;</span>
<span id="cb2-9"><a href="#cb2-9" aria-hidden="true" tabindex="-1"></a>}</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<p>The posterior mean of <code>tilde_y</code> calculated by Stan is the Bayesian estimate <span class="math inline">\(\hat{\tilde{y}}.\)</span> The posterior median may also be calculated and us