question: @ Override public String toString ( ) { try { StringBuffer text = new StringBuffer ( ) ; text . append ( m_attr . name ( ) + ":\n" ) ; for ( int v = 0 ; v < m_classifications . length ; v ++ ) { text . append ( "\t" ) ; if ( m_attr . isNominal ( ) ) { text . append ( m_attr . value ( v ) ) ; } else if ( v < m_breakpoints . length ) { text . append ( "< " + m_breakpoints [ v ] ) ; } else if ( v > 0 ) { text . append ( ">= " + m_breakpoints [ v - 1 ] ) ; } else { text . append ( "not ?" ) ; } text . append ( "\t-> " + m_class . value ( m_classifications [ v ] ) + "\n" ) ; } if ( m_missingValueClass != - 1 ) { text . append ( "\t?\t-> " + m_class . value ( m_missingValueClass ) + "\n" ) ; } text . append ( "(" + m_correct + "/" + m_numInst + " instances correct)\n" ) ; return text . toString ( ) ; } catch ( Exception e ) { return "Can't print OneR classifier!" ; } }
target:  Returns a description of the rule.