sdBase.setDataSetRepresentation("Category-A, Category-B, Category-C");
sdBase.setDataSetRepresentation("A, B, C");
    private void addSampleData()    {        SampleData sd = DataFactory.eINSTANCE.createSampleData();        sd.getBaseSampleData().clear();        sd.getOrthogonalSampleData().clear();        // Create Base Sample Data        BaseSampleData sdBase = DataFactory.eINSTANCE.createBaseSampleData();        sdBase.setDataSetRepresentation("Category-A, Category-B, Category-C");        sd.getBaseSampleData().add(sdBase);        // Create Orthogonal Sample Data (with simulation count of 2)        OrthogonalSampleData oSample = DataFactory.eINSTANCE.createOrthogonalSampleData();        oSample.setDataSetRepresentation("5,4,12");        oSample.setSeriesDefinitionIndex(0);        sd.getOrthogonalSampleData().add(oSample);        /*         * OrthogonalSampleData oSample2 = DataFactory.eINSTANCE.createOrthogonalSampleData();         * oSample2.setDataSetRepresentation("7,22,14"); oSample2.setSeriesDefinitionIndex(0);         * sd.getOrthogonalSampleData().add(oSample2);         */        newChart.setSampleData(sd);    }