" data-line-number="17">genderRecoded</a>
<a class="sourceLine" id="cb4-18" data-line-number="18"><span class="co">#&gt;      gender age                gender2</span></a>
<a class="sourceLine" id="cb4-19" data-line-number="19"><span class="co">#&gt; 1      male  34                   male</span></a>
<a class="sourceLine" id="cb4-20" data-line-number="20"><span class="co">#&gt; 2      MALE  37                   male</span></a>
<a class="sourceLine" id="cb4-21" data-line-number="21"><span class="co">#&gt; 3   