riables (columns).</p>
<dl><dt>buying.price</dt>
<dd><p>price for buying the car, Factor (high, low, med, vhigh)</p></dd>

  <dt>maint.price</dt>
<dd><p>price of the maintenance, Factor (high, low, med, vhigh)</p></dd>

  <dt>doors</dt>
<dd><p>number of doors, Factor (2, 3, 4, 5more)</p></dd>

  <dt>persons</dt>
<dd><p>capacity in terms of persons to carry, Factor (2, 4, more)</p></dd>

  <dt>luggage</dt>
<dd><p>the size of luggage boot, Factor (big, med, small)</p></dd>

  <dt>safety</dt>
<dd><p>estimated 