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

Example 81 with DoubleCell

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

the class LinearInterpolationStatisticMB method consumeRow.

/**
 * {@inheritDoc}
 */
@Override
protected void consumeRow(final DataRow dataRow) {
    DataCell cell = dataRow.getCell(m_colIdx);
    if (cell.isMissing()) {
        m_numMissing++;
    } else {
        for (int i = 0; i < m_numMissing; i++) {
            DataCell res;
            if (m_previous.isMissing()) {
                res = cell;
            } else {
                if (m_isDateColumn) {
                    DateAndTimeValue val = (DateAndTimeValue) cell;
                    DateAndTimeValue prevVal = (DateAndTimeValue) m_previous;
                    boolean hasDate = val.hasDate() | prevVal.hasDate();
                    boolean hasTime = val.hasTime() | prevVal.hasTime();
                    boolean hasMilis = val.hasMillis() | prevVal.hasMillis();
                    long prev = prevVal.getUTCTimeInMillis();
                    long next = val.getUTCTimeInMillis();
                    long lin = Math.round(prev + 1.0 * (i + 1) / (1.0 * (m_numMissing + 1)) * (next - prev));
                    res = new DateAndTimeCell(lin, hasDate, hasTime, hasMilis);
                } else {
                    DoubleValue val = (DoubleValue) cell;
                    double prev = ((DoubleValue) m_previous).getDoubleValue();
                    double next = val.getDoubleValue();
                    double lin = prev + 1.0 * (i + 1) / (1.0 * (m_numMissing + 1)) * (next - prev);
                    if (m_previous instanceof IntValue) {
                        // get an int, create an int
                        res = new IntCell((int) Math.round(lin));
                    } else if (m_previous instanceof LongValue) {
                        // get an long, create an long
                        res = new LongCell(Math.round(lin));
                    } else {
                        res = new DoubleCell(lin);
                    }
                }
            }
            m_values.add(res);
        }
        m_numMissing = 0;
        m_previous = cell;
    }
}

Example 82 with DoubleCell

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

the class RoundDoubleCellFactory method getCells.

/**
 * {@inheritDoc}
 */
@Override
public DataCell[] getCells(final DataRow row) {
    DataCell[] newCells = new DataCell[m_colIndexToRound.length];
    int noCols = row.getNumCells();
    int nextIndexToRound = 0;
    int currIndexToRound = -1;
    // walk through all columns and round if specified
    for (int i = 0; i < noCols; i++) {
        // are available).
        if (nextIndexToRound < m_colIndexToRound.length) {
            currIndexToRound = m_colIndexToRound[nextIndexToRound];
        }
        // if value needs to be rounded
        if (i == currIndexToRound) {
            final DataCell outCell;
            if (row.getCell(i).isMissing()) {
                outCell = DataType.getMissingCell();
            } else {
                double value = ((DoubleValue) row.getCell(i)).getDoubleValue();
                // check for infinity or nan
                if (Double.isInfinite(value) || Double.isNaN(value)) {
                    switch(m_outputType) {
                        case Double:
                            // this isn't nice as we shouldn't have NaN and Inf in the input ...
                            // but that's a problem somewhere else
                            outCell = new DoubleCell(value);
                            break;
                        default:
                            outCell = new StringCell(new Double(value).toString());
                    }
                } else {
                    // do not use constructor, see AP-7016
                    BigDecimal bd = BigDecimal.valueOf(value).stripTrailingZeros();
                    switch(m_numberMode) {
                        case DECIMAL_PLACES:
                            bd = bd.setScale(m_precision, m_roundingMode);
                            break;
                        case SIGNIFICANT_FIGURES:
                            bd = bd.round(new MathContext(m_precision, m_roundingMode));
                            break;
                        default:
                            throw new IllegalStateException();
                    }
                    outCell = m_outputType.createCell(bd);
                }
            }
            // increment index of included column indices
            newCells[nextIndexToRound++] = outCell;
        }
    }
    return newCells;
}

Example 83 with DoubleCell

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

the class PMCCPortObjectAndSpec method createCorrelationMatrix.

private DataTable createCorrelationMatrix(final DataContainer cont, final ExecutionMonitor mon) throws CanceledExecutionException {
    if (!hasData()) {
        throw new IllegalStateException("No data available");
    }
    final int l = m_colNames.length;
    for (int i = 0; i < l; i++) {
        RowKey key = new RowKey(m_colNames[i]);
        DataCell[] cells = new DataCell[l];
        for (int j = 0; j < l; j++) {
            if (i == j) {
                cells[i] = MAX_VALUE_CELL;
            } else {
                double corr = m_correlations.get(i, j);
                if (Double.isNaN(corr)) {
                    cells[j] = DataType.getMissingCell();
                } else {
                    cells[j] = new DoubleCell(corr);
                }
            }
        }
        mon.checkCanceled();
        cont.addRowToTable(new DefaultRow(key, cells));
        mon.setProgress(i / (double) l, "Added row " + i);
    }
    cont.close();
    return cont.getTable();
}

Example 84 with DoubleCell

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

the class DomainDialog method takeOverSettings.

/**
 * @return an object with domain values set by the user. Or <code>null</code> if settings are invalid. Then, a error
 *         message box is displayed.
 */
private ColProperty takeOverSettings() {
    ColProperty result = new ColProperty();
    if (m_colProp.getColumnSpec().getType().isCompatible(StringValue.class)) {
        DataColumnSpecCreator dcsc = new DataColumnSpecCreator(m_colProp.getColumnSpec().getName(), m_colProp.getColumnSpec().getType());
        if (m_containsVals != null) {
            result.setReadPossibleValuesFromFile(m_containsVals.isSelected());
        }
        if ((m_containsVals == null) || m_containsVals.isSelected()) {
            // if it's null we have a string column
            Set<DataCell> pVals = null;
            // tranfser possible values
            int valCount = m_valueList.getModel().getSize();
            pVals = new LinkedHashSet<DataCell>();
            for (int i = 0; i < valCount; i++) {
                DataCell val = (DataCell) m_valueList.getModel().getElementAt(i);
                pVals.add(val);
            }
            if (pVals.size() > 0) {
                DataColumnDomainCreator domainCreator = new DataColumnDomainCreator(pVals);
                dcsc.setDomain(domainCreator.createDomain());
            }
        }
        result.setColumnSpec(dcsc.createSpec());
    } else {
        DataType type = m_colProp.getColumnSpec().getType();
        DataColumnSpecCreator dcsc = new DataColumnSpecCreator(m_colProp.getColumnSpec().getName(), type);
        DataColumnDomainCreator domainCreator = new DataColumnDomainCreator();
        if (type.equals(IntCell.TYPE)) {
            domainCreator.setLowerBound(new IntCell((int) m_lowerBoundField.getValue()));
            domainCreator.setUpperBound(new IntCell((int) m_upperBoundField.getValue()));
        } else if (type.equals(DoubleCell.TYPE)) {
            domainCreator.setLowerBound(new DoubleCell((double) m_lowerBoundField.getValue()));
            domainCreator.setUpperBound(new DoubleCell((double) m_upperBoundField.getValue()));
        }
        dcsc.setDomain(domainCreator.createDomain());
        result.setColumnSpec(dcsc.createSpec());
    }
    return result;
}

Example 85 with DoubleCell

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

the class NumericalAttributeModel method createDataRows.

/**
 * {@inheritDoc}
 */
@Override
void createDataRows(final ExecutionMonitor exec, final BufferedDataContainer dc, final boolean ignoreMissing, final AtomicInteger rowId) throws CanceledExecutionException {
    final List<String> sortedClassVal = AttributeModel.sortCollection(m_classValues.keySet());
    if (sortedClassVal == null) {
        return;
    }
    final StringCell attributeCell = new StringCell(getAttributeName());
    for (final String classVal : sortedClassVal) {
        final List<DataCell> cells = new LinkedList<>();
        cells.add(attributeCell);
        cells.add(DataType.getMissingCell());
        cells.add(new StringCell(classVal));
        final NumericalClassValue classValue = m_classValues.get(classVal);
        cells.add(new IntCell(classValue.getNoOfNotMissingRows()));
        if (!ignoreMissing) {
            cells.add(new IntCell(classValue.getNoOfMissingValueRecs()));
        }
        cells.add(new DoubleCell(classValue.getMean()));
        cells.add(new DoubleCell(classValue.getStdDeviation()));
        dc.addRowToTable(new DefaultRow(RowKey.createRowKey(rowId.getAndIncrement()), cells.toArray(new DataCell[0])));
    }
}