question: @ Override public String toString ( ) { StringBuffer buff = new StringBuffer ( ) ; if ( m_correlations == null ) { buff . append ( "Correlation attribute evaluator has not been built yet." ) ; } else { buff . append ( "\tCorrelation Ranking Filter" ) ; if ( m_detailedOutput && m_detailedOutputBuff . length ( ) > 0 ) { buff . append ( "\n\tDetailed output for nominal attributes" ) ; buff . append ( m_detailedOutputBuff ) ; } } return buff . toString ( ) ; }
target:  Describe the attribute evaluator