ss="r-pr">#&gt;</span>  $ female  : int  1 1 0 0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ black   : int  0 0 0 0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ white   : int  0 0 1 1 1 1 1 1 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ ctrmgpa : num  NA 0.75 NA -0.6 NA ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ ctothrs : int  NA 12 NA 15 NA 14 NA 17 NA 15 ...</span>
<span class="r-