Examples with DefaultRow org.knime.core.data.def.DefaultRow used on opensource projects

Example 41 with DefaultRow

use of org.knime.core.data.def.DefaultRow in project knime-core by knime.

the class TreeEnsembleModelExtractorNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inObjects, final ExecutionContext exec) throws Exception {
    TreeEnsembleModelPortObject treeEnsembleModel = (TreeEnsembleModelPortObject) inObjects[0];
    DataTableSpec outSpec = createOutSpec();
    BufferedDataContainer container = exec.createDataContainer(outSpec, false, 0);
    int nrModels = treeEnsembleModel.getEnsembleModel().getNrModels();
    for (int i = 0; i < nrModels; i++) {
        PMMLPortObject pmmlObject = treeEnsembleModel.createDecisionTreePMMLPortObject(i);
        DataCell cell = PMMLCellFactory.create(pmmlObject.getPMMLValue().toString());
        RowKey key = RowKey.createRowKey(i);
        container.addRowToTable(new DefaultRow(key, cell));
        exec.checkCanceled();
        exec.setProgress(i / (double) nrModels, "Exported model " + (i + 1) + "/" + nrModels);
    }
    container.close();
    return new BufferedDataTable[] { container.getTable() };
}

Example 42 with DefaultRow

use of org.knime.core.data.def.DefaultRow in project knime-core by knime.

the class JoinedTableTest method getRandomRow.

private static final DataRow getRandomRow(final String id) {
    DataCell[] cells = new DataCell[3];
    cells[0] = new StringCell(id + "-" + RAND.nextInt(100));
    cells[1] = new IntCell(RAND.nextInt());
    cells[2] = new DoubleCell(RAND.nextDouble());
    return new DefaultRow(id, cells);
}

Example 43 with DefaultRow

use of org.knime.core.data.def.DefaultRow in project knime-core by knime.

the class MedianTableTest method setUp.

/**
 * @throws java.lang.Exception
 */
@Before
public void setUp() throws Exception {
    Random random = new Random(37);
    DataColumnSpec[] colSpecs = new DataColumnSpec[] { new DataColumnSpecCreator("AscendingDouble", DoubleCell.TYPE).createSpec(), new DataColumnSpecCreator("DescendingDouble", DoubleCell.TYPE).createSpec(), new DataColumnSpecCreator("ThreeValuesSingleMedian", DoubleCell.TYPE).createSpec(), new DataColumnSpecCreator("ThreeValuesDifferentMedian", DoubleCell.TYPE).createSpec() // new DataColumnSpecCreator("FourValuesSingleMedian", DoubleCell.TYPE).createSpec(),
    // new DataColumnSpecCreator("FourValuesDifferentMedian", DoubleCell.TYPE).createSpec()
    };
    DataTableSpec spec = new DataTableSpec(colSpecs);
    final BufferedDataContainer container = EXEC_CONTEXT.createDataContainer(spec);
    try {
        int count = 100;
        for (int i = 0; i < count; ++i) {
            int col = 0;
            DataCell[] rowVals = new DataCell[colSpecs.length];
            rowVals[col++] = new DoubleCell(i);
            rowVals[col++] = new DoubleCell(count - i - 1);
            rowVals[col++] = i == 4 ? DataType.getMissingCell() : new DoubleCell(i < count / 2 ? 0 : i * 2 >= count + 2 ? 4 : 1);
            rowVals[col++] = new DoubleCell(i < count / 2 ? 0 : i * 2 >= count + 2 ? 4 : 1);
            container.addRowToTable(new DefaultRow(Integer.toString(i), rowVals));
        }
    } finally {
        container.close();
    }
    smallTable = container.getTable();
    NodeLogger.getLogger(getClass()).debug("Contents of test table:");
    for (DataRow row : smallTable) {
        StringBuilder buf = new StringBuilder();
        for (DataCell dataCell : row) {
            buf.append(dataCell + "\t");
        }
        NodeLogger.getLogger(getClass()).debug(buf.toString());
    }
}

Example 44 with DefaultRow

use of org.knime.core.data.def.DefaultRow in project knime-core by knime.

the class CovarianceMatrixCalculatorTest method generateData.

/**
 * @param random
 * @param size
 * @param data
 */
private BufferedDataContainer generateData(final Random random, final double[][] data, final DataTableSpec spec) {
    BufferedDataContainer createDataContainer = m_exec.createDataContainer(spec);
    for (int j = 0; j < data.length; j++) {
        double[] row = new double[spec.getNumColumns()];
        for (int i = 0; i < spec.getNumColumns(); i++) {
            {
                row[i] = random.nextDouble();
            }
        }
        data[j] = row;
        createDataContainer.addRowToTable(new DefaultRow(RowKey.createRowKey(j), row));
    }
    return createDataContainer;
}

Example 45 with DefaultRow

use of org.knime.core.data.def.DefaultRow in project knime-core by knime.

the class StatisticCalculatorTest method createRandomTableWithMissingValues.

private static BufferedDataTable createRandomTableWithMissingValues(final int cols, final int rows) {
    long currentTimeMillis = System.currentTimeMillis();
    System.out.println("Using seed: " + currentTimeMillis);
    Random random = new Random(currentTimeMillis);
    DataTableSpecCreator creator = new DataTableSpecCreator();
    for (int i = 0; i < cols; i++) {
        creator.addColumns(new DataColumnSpecCreator("" + i, DoubleCell.TYPE).createSpec());
    }
    final BufferedDataContainer container = EXEC_CONTEXT.createDataContainer(creator.createSpec());
    for (int i = 0; i < rows; i++) {
        DataCell[] rowVals = new DataCell[cols];
        for (int j = 0; j < cols; j++) {
            rowVals[j] = random.nextDouble() > 0.66 ? new DoubleCell(random.nextDouble()) : DataType.getMissingCell();
        }
        container.addRowToTable(new DefaultRow(Integer.toString(i), rowVals));
        if (i % 1000 == 0) {
            System.out.println("Added row: " + i);
        }
    }
    container.close();
    return container.getTable();
}