1 2 2 2 1 1 1 2 2 ...</span>
<span class="co">#&gt;  $ marital: Factor w/ 5 levels "married","never married",..: 2 1 1 1 1 2 3 2 2 1 ...</span>
<span class="co">#&gt;  $ degree : Factor w/ 5 levels "lt high school",..: 4 1 2 4 2 2 2 4 2 2 ...</span>
<span class="co">#&gt;  $ finrela: Factor w/ 5 levels "far below average",..: 3 4 3 3 4 4 4 3 3 2 ...</span>
<span class="co">#&gt;  $ health : Factor w/ 4 levels "poor","fair",..: 3 2 4 3 3 3 4 3 4 2 ...</span>
<span class="co">#&gt;  $ wtssall: num  0.445 0.88