ences</h2>
    <p><em>NIST/SEMATECH e-Handbook of Statistical Methods</em>,
<em>8.2.1.5. Empirical model fitting - distribution free (Kaplan-Meier) approach</em>,
<a href="https://www.itl.nist.gov/div898/handbook/apr/section2/apr215.htm" class="external-link">NIST SEMATECH</a>,
December 3, 2020</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="co"># Vectors:</span></span>
<span class="r-in">