question: public double [ ] distributionForInstance ( Instance inst ) throws Exception { m_ReplaceMissingValues . input ( inst ) ; m_ReplaceMissingValues . batchFinished ( ) ; inst = m_ReplaceMissingValues . output ( ) ; m_NominalToBinary . input ( inst ) ; m_NominalToBinary . batchFinished ( ) ; inst = m_NominalToBinary . output ( ) ; double output = 0 , sumSoFar = 0 ; if ( m_K > 0 ) { for ( int i = 0 ; i <= m_K ; i ++ ) { if ( sumSoFar < 0 ) { output -= m_Weights [ i ] ; } else { output += m_Weights [ i ] ; } if ( m_IsAddition [ i ] ) { sumSoFar += innerProduct ( m_Train . instance ( m_Additions [ i ] ) , inst ) ; } else { sumSoFar -= innerProduct ( m_Train . instance ( m_Additions [ i ] ) , inst ) ; } } } double [ ] result = new double [ 2 ] ; result [ 1 ] = 1 / ( 1 + Math . exp ( - output ) ) ; result [ 0 ] = 1 - result [ 1 ] ; return result ; }
target:  Outputs the distribution for the given output. Pipes output of SVM through sigmoid function.