n class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  s <span class="op">=</span> <span class="va">n_total_by_class_survived_no</span> <span class="op">/</span> <span class="va">n_total_by_class</span>,</span>
<span>  t <span class="op">=</span> <span class="va">n_total_by_class</span> <span class="op">/</span> <span class="va">n_total</span></span>
<span><span class="op">)</span></span></code></pre></div>
<pre><code><span><span class="co">## NOTE: Effect size ('theta') is not consistent betwee