an><span class="op">(</span><span class="va">t</span>, <span class="va">key</span>, prior_mean_NA <span class="op">=</span> <span class="cn">NA_real_</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>


<dl><dt id="arg-t">t<a class="anchor" aria-label="anchor" href="#arg-t"></a></dt>
<dd><p>Decimal age, numeric vector</p></dd>


<dt id="arg-key">key<a class="anchor" aria-label="anchor" href="#arg-key"></a></dt>
<dd><p>Character, key of the r