html'>data.frame</a></span>(
  <span class='kw'>AGE</span> <span class='kw'>=</span> <span class='no'>ages</span>,
  <span class='kw'>sex</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/factor.html'>factor</a></span>(<span class='no'>sex</span>, <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"Male"</span>, <span class='st'>"Female"</span>)),
  <span class='kw'>gender</span> <span class='kw'>=</span> <span class='fu'><a href='https://r