0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ smsa    : int  1 1 1 1 1 1 1 1 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ south   : int  0 0 0 0 0 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ smsa66  : int  1 1 1 1 1 1 1 1 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ wage    : int  548 481 721 250 729 500 565 608 425 515 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</sp