ed). 
 Like the evaluator, the structure of the filter is based exclusively on the training data.
 <p/>
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 <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -W &lt;evaluator specification&gt;
  Full name of base evaluator to use, followed by evaluator options.
  eg: "weka.attributeSelection.InfoGainAttributeEval -M"</pre>
 
 <pre> -F &lt;filter specification&gt;
  Full class name of filter to use, followed
  by filter options.
  eg: "weka.filters.supervised.instance.SpreadSubs