ceCode r">Titanic</code> dataset in
the <code class="sourceCode r">datasets</code> package to demonstrate a
<em>post hoc</em> power calculation. This dataset is explored in greater
detail in the <a href="samplesizeCMH-introduction.html">introductory
vignette</a>.</p>
<p>Let
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>X</mi><annotation encoding="application/x-tex">X</annotation></semantics></math>
= sex,
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><s