key</h1>
    <small class="dont-index">Source: <a href="https://github.com/d-score/dscore/blob/HEAD/R/get_mu.R" class="external-link"><code>R/get_mu.R</code></a></small>
    <div class="hidden name"><code>count_mu.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>Returns the age-interpolated median of the D-score of the default
reference for a given key.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">count_mu</sp