num&gt;
  The number of values for nominal attributes in a rel. attribute (default 2).</pre>
 
 <pre> -relational-numeric &lt;num&gt;
  The number of numeric attributes in a rel. attribute (default 0).</pre>
 
 <pre> -relational-string &lt;num&gt;
  The number of string attributes in a rel. attribute (default 0).</pre>
 
 <pre> -relational-date &lt;num&gt;
  The number of date attributes in a rel. attribute (default 0).</pre>
 
 <pre> -num-instances-relational &lt;num&gt;
  The number of instances in relati