generated data is
  printed to stdout.</pre>
 
 <pre> -r &lt;name&gt;
  The name of the relation.</pre>
 
 <pre> -d
  Whether to print debug informations.</pre>
 
 <pre> -S
  The seed for random function (default 1)</pre>
 
 <pre> -a &lt;num&gt;
  The number of attributes (default 10).</pre>
 
 <pre> -c
  Class Flag, if set, the cluster is listed in extra attribute.</pre>
 
 <pre> -b &lt;range&gt;
  The indices for boolean attributes.</pre>
 
 <pre> -m &lt;range&gt;
  The indices for nominal attributes.</pr