 0   male</span></a>
<a class="sourceLine" id="cb1-21" data-line-number="21"><span class="co">#&gt; 5 0 1 2 female</span></a>
<a class="sourceLine" id="cb1-22" data-line-number="22"><span class="co">#&gt; 6 0 0 2   male</span></a></code></pre></div>
<p>The code below estimates variance of adjusted relative risks of binary <span class="math inline">\(X\)</span> on binary outcome of <span class="math inline">\(Y\)</span> by generating <code>n.boot = 200</code> bootstrap samples. Because we do not specify base