Examples with PredictorRecord org.knime.base.node.mine.treeensemble2.data.PredictorRecord used on opensource projects

Example 16 with PredictorRecord

use of org.knime.base.node.mine.treeensemble2.data.PredictorRecord in project knime-core by knime.

the class RegressionTreePredictorCellFactory method getCells.

/**
 * {@inheritDoc}
 */
@Override
public DataCell[] getCells(final DataRow row) {
    final RegressionTreeModel treeModel = m_predictor.getModel();
    int size = 1;
    DataCell[] result = new DataCell[size];
    DataRow filterRow = new FilterColumnRow(row, m_learnColumnInRealDataIndices);
    PredictorRecord record = treeModel.createPredictorRecord(filterRow, m_learnSpec);
    if (record == null) {
        // missing value
        Arrays.fill(result, DataType.getMissingCell());
        return result;
    }
    TreeModelRegression tree = treeModel.getTreeModel();
    TreeNodeRegression match = tree.findMatchingNode(record);
    double nodeMean = match.getMean();
    result[0] = new DoubleCell(nodeMean);
    return result;
}