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

Example 86 with DoubleCell

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

the class Statistics3Table method createRow.

private DataRow createRow(final String key, final double[] array) {
    int idx = 0;
    DataTableSpec outSpec = createOutSpecNumeric(m_spec);
    DataCell[] data = new DataCell[outSpec.getNumColumns()];
    for (int i = 0; idx < data.length; i++) {
        if (outSpec.getColumnSpec(idx).getName().equals(m_spec.getColumnSpec(i).getName())) {
            if (Double.isNaN(array[i])) {
                data[idx] = DataType.getMissingCell();
            } else {
                data[idx] = new DoubleCell(array[i]);
            }
            idx++;
        }
    }
    return new DefaultRow(key, data);
}

Example 87 with DoubleCell

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

the class Statistics3Table method createRow.

/**
 * Creates a row for the transposed table.
 *
 * @param name The name of the column.
 * @param colIdx The index of column in the computed values.
 * @return The cells according to {@link #STATISTICS_SPECIFICATION}.
 */
private DataCell[] createRow(final String name, final int colIdx) {
    final DataCell[] ret = new DataCell[getStatisticsSpecification().getNumColumns()];
    int i = 0;
    ret[i++] = new StringCell(name);
    ret[i++] = m_minCells[colIdx];
    ret[i++] = m_maxCells[colIdx];
    ret[i++] = new DoubleCell(m_meanValues[colIdx]);
    ret[i++] = new DoubleCell(Math.sqrt(m_varianceValues[colIdx]));
    ret[i++] = new DoubleCell(m_varianceValues[colIdx]);
    ret[i++] = new DoubleCell(m_skewness[colIdx]);
    ret[i++] = new DoubleCell(m_kurtosis[colIdx]);
    ret[i++] = new DoubleCell(m_sum[colIdx]);
    ret[i++] = new IntCell(m_missingValueCnt[colIdx]);
    ret[i++] = new IntCell(m_nanValueCnt[colIdx]);
    ret[i++] = new IntCell(m_posInfinityValueCnt[colIdx]);
    ret[i++] = new IntCell(m_negInfinityValueCnt[colIdx]);
    ret[i++] = Double.isNaN(m_median[colIdx]) ? DataType.getMissingCell() : new DoubleCell(m_median[colIdx]);
    ret[i++] = new IntCell(m_rowCount);
    return ret;
}

Example 88 with DoubleCell

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

the class AffineTransRowIterator method next.

/**
 * {@inheritDoc}
 */
@Override
public DataRow next() {
    AffineTransConfiguration config = m_transtable.getConfiguration();
    int[] indices = m_transtable.getIndicesInConfiguration();
    double[] scales = config.getScales();
    double[] translations = config.getTranslations();
    double[] min = config.getMin();
    double[] max = config.getMax();
    final DataRow in = m_it.next();
    final DataCell[] cells = new DataCell[in.getNumCells()];
    for (int i = 0; i < cells.length; i++) {
        final DataCell oldCell = in.getCell(i);
        if (oldCell.isMissing() || indices[i] == -1) {
            cells[i] = oldCell;
        } else {
            int index = indices[i];
            double interval = max[index] - min[index];
            double oldDouble = ((DoubleValue) oldCell).getDoubleValue();
            double newDouble = scales[index] * oldDouble + translations[index];
            if (!Double.isNaN(min[index])) {
                if (newDouble < min[index]) {
                    if ((min[index] - newDouble) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = min[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Lower Bound: " + min[index]);
                    }
                }
            }
            if (!Double.isNaN(max[index])) {
                if (newDouble > max[index]) {
                    if ((newDouble - max[index]) / interval < AffineTransTable.VERY_SMALL) {
                        newDouble = max[index];
                    } else {
                        m_transtable.setErrorMessage("Normalized value is out of bounds." + " Original value: " + oldDouble + " Transformed value: " + newDouble + " Upper Bound: " + max[index]);
                    }
                }
            }
            cells[i] = new DoubleCell(newDouble);
        }
    }
    return new DefaultRow(in.getKey(), cells);
}

Example 89 with DoubleCell

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

the class VariableToTable2NodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inData, final ExecutionContext exec) throws Exception {
    DataTableSpec spec = createOutSpec();
    BufferedDataContainer cont = exec.createDataContainer(spec);
    List<Pair<String, FlowVariable.Type>> vars = getVariablesOfInterest();
    DataCell[] specs = new DataCell[vars.size()];
    List<String> lostVariables = new ArrayList<String>();
    for (int i = 0; i < vars.size(); i++) {
        Pair<String, FlowVariable.Type> c = vars.get(i);
        String name = c.getFirst();
        // fallback
        DataCell cell = DataType.getMissingCell();
        switch(c.getSecond()) {
            case DOUBLE:
                try {
                    double dValue = peekFlowVariableDouble(c.getFirst());
                    cell = new DoubleCell(dValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (Double)");
                }
                break;
            case INTEGER:
                try {
                    int iValue = peekFlowVariableInt(c.getFirst());
                    cell = new IntCell(iValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (Integer)");
                }
                break;
            case STRING:
                try {
                    String sValue = peekFlowVariableString(c.getFirst());
                    sValue = sValue == null ? "" : sValue;
                    cell = new StringCell(sValue);
                } catch (NoSuchElementException e) {
                    lostVariables.add(name + " (String)");
                }
                break;
        }
        specs[i] = cell;
    }
    cont.addRowToTable(new DefaultRow(m_rowID.getStringValue(), specs));
    cont.close();
    return new BufferedDataTable[] { cont.getTable() };
}

Example 90 with DoubleCell

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

the class DayRangeOperator method getResultInternal.

/**
 * {@inheritDoc}
 */
@Override
protected DataCell getResultInternal() {
    final DateAndTimeValue min = getMin();
    final DateAndTimeValue max = getMax();
    if (min == null || max == null) {
        return DataType.getMissingCell();
    }
    final long range = max.getUTCTimeInMillis() - min.getUTCTimeInMillis();
    if (range == 0) {
        return new DoubleCell(0);
    }
    return new DoubleCell(range / MS_PER_DAY);
}