question: protected double regressionPrediction ( Instance transformedInstance , boolean [ ] selectedAttributes , double [ ] coefficients ) throws Exception { double result = 0 ; int column = 0 ; for ( int j = 0 ; j < transformedInstance . numAttributes ( ) ; j ++ ) { if ( ( m_ClassIndex != j ) && ( selectedAttributes [ j ] ) ) { result += coefficients [ column ] * transformedInstance . value ( j ) ; column ++ ; } } result += coefficients [ column ] ; return result ; }
target:  Calculate the dependent value for a given instance for a given regression model.