question: @ Override public Instance generateExample ( ) throws Exception { Instance result ; double [ ] atts ; int i ; int selected ; Random random ; result = null ; random = getRandom ( ) ; if ( m_DatasetFormat == null ) { throw new Exception ( "Dataset format not defined." ) ; } atts = new double [ m_DatasetFormat . numAttributes ( ) ] ; selected = random . nextInt ( 10 ) ; for ( i = 0 ; i < 7 ; i ++ ) { if ( ( 1 + ( random . nextInt ( 100 ) ) ) <= getNoisePercent ( ) ) { atts [ i ] = m_originalInstances [ selected ] [ i ] == 0 ? 1 : 0 ; } else { atts [ i ] = m_originalInstances [ selected ] [ i ] ; } } for ( i = 0 ; i < m_numIrrelevantAttributes ; i ++ ) { atts [ i + 7 ] = random . nextInt ( 2 ) ; } atts [ atts . length - 1 ] = selected ; result = new DenseInstance ( 1.0 , atts ) ; result . setDataset ( m_DatasetFormat ) ; return result ; }
target:  Generates one example of the dataset.