question: public String evaluate ( Associator associator , Instances data ) throws Exception { long startTime ; long endTime ; startTime = System . currentTimeMillis ( ) ; associator . buildAssociations ( data ) ; endTime = System . currentTimeMillis ( ) ; m_Result = new StringBuffer ( associator . toString ( ) ) ; m_Result . append ( "\n=== Evaluation ===\n\n" ) ; m_Result . append ( "Elapsed time: " + ( ( ( double ) ( endTime - startTime ) ) / 1000 ) + "s" ) ; m_Result . append ( "\n" ) ; return m_Result . toString ( ) ; }
target:  Evaluates the associator with the given commandline options and returns the evaluation string.