question: private Instance generateInstance ( Instances format , Random randomG , double stdDev , double [ ] center , String cName ) { Instance example ; int numAtts = getNumAttributes ( ) ; if ( getClassFlag ( ) ) { numAtts ++ ; } example = new DenseInstance ( numAtts ) ; example . setDataset ( format ) ; for ( int i = 0 ; i < getNumAttributes ( ) ; i ++ ) { example . setValue ( i , randomG . nextGaussian ( ) * stdDev + center [ i ] ) ; } if ( getClassFlag ( ) ) { example . setClassValue ( cName ) ; } return example ; }
target:  Generate an example of the dataset.