s="op">)</span></span>
<span><span class="va">n_total</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/sum.html" class="external-link">sum</a></span><span class="op">(</span><span class="va">contraceptives</span><span class="op">)</span></span>
<span></span>
<span><span class="va">partial_power_func</span> <span class="op">&lt;-</span> <span class="fu">partially_apply_power_func</span><span class="op">(</span></span>
<span>  p2 <span class="op">=</span> <span class="va">