-out co"><span class="r-pr">#&gt;</span>  $ weight  : num  158413 380166 367470 380166 367470 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ momdad14: int  1 1 1 1 1 1 1 1 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ sinmom14: int  0 0 0 0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ step14  : int  0 0 0 0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ reg661  : int  1 1 1 0 0 0 0 0 0 0 ..