or w/ 4 levels "unemployed/ unskilled - non-resident",..: 3 3 2 3 3 2 3 4 2 4 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ number.of.people.being.liable.to.provide.maintenance.for: num  1 1 2 2 2 2 1 1 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ telephone                                               : Factor w/ 2 levels "none","yes, registered under the customers name": 2 1 1 1 1 2 1 2 1 1 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>