Examples with DataCell org.knime.core.data.DataCell used on opensource projects

Example 51 with DataCell

use of org.knime.core.data.DataCell in project knime-core by knime.

the class OneSampleTTestStatistics method getDescStats.

/**
 * Get descriptive statistics for the given column
 * @param rowID the row key
 * @param column the name of the column
 * @param stats the statistics of the column
 * @param missing the missing values in this column
 * @return a DataRow with descriptive statistics
 */
private List<DataCell> getDescStats(final String column, final SummaryStatistics stats, final MutableInteger missing) {
    List<DataCell> cells = new ArrayList<DataCell>();
    cells.add(new StringCell(column));
    cells.add(new IntCell((int) stats.getN()));
    cells.add(new IntCell(missing.intValue()));
    cells.add(new DoubleCell(stats.getMean()));
    cells.add(new DoubleCell(stats.getStandardDeviation()));
    cells.add(new DoubleCell(StatsUtil.getStandardError(stats)));
    return cells;
}

Example 52 with DataCell

use of org.knime.core.data.DataCell in project knime-core by knime.

the class PairedTTestNodeModel method getDescriptiveStatisticsTable.

/**
 * Get table with descriptive statistics
 * @param result test statistic
 * @param exec the exection context
 * @return a combined table of the test statistic
 */
private BufferedDataTable getDescriptiveStatisticsTable(final PairedTTestStatistics[] result, final ExecutionContext exec) {
    BufferedDataContainer cont = exec.createDataContainer(PairedTTestStatistics.getDescStatsSpec());
    int r = 0;
    for (int i = 0; i < result.length; i++) {
        for (List<DataCell> cells : result[i].getDescStatsCells()) {
            cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
            r++;
        }
    }
    cont.close();
    return cont.getTable();
}

Example 53 with DataCell

use of org.knime.core.data.DataCell in project knime-core by knime.

the class PairedTTestNodeModel method getTestStatisticsTable.

/**
 * Get table with test statistics
 * @param result test statistic
 * @param exec the exection context
 * @return a combined table of the test statistic
 */
private BufferedDataTable getTestStatisticsTable(final PairedTTestStatistics[] result, final ExecutionContext exec) {
    BufferedDataContainer cont = exec.createDataContainer(PairedTTestStatistics.getTableSpec());
    int r = 0;
    for (int i = 0; i < result.length; i++) {
        for (List<DataCell> cells : result[i].getTTestCells()) {
            cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
            r++;
        }
    }
    cont.close();
    return cont.getTable();
}

Example 54 with DataCell

use of org.knime.core.data.DataCell in project knime-core by knime.

the class TwoSampleTTestNodeDialog method initGroupComboBoxes.

private void initGroupComboBoxes(final JComboBox groupOne) {
    Object selected = groupOne.getSelectedItem();
    groupOne.removeAllItems();
    String col = m_groupingColumn.getSelectedColumn();
    if (col != null && m_spec.containsName(col)) {
        DataColumnSpec colSpec = m_spec.getColumnSpec(col);
        DataColumnDomain domain = colSpec.getDomain();
        if (domain.hasValues()) {
            for (DataCell cell : domain.getValues()) {
                groupOne.addItem(cell.toString());
            }
        } else if (domain.hasBounds()) {
            groupOne.addItem(domain.getLowerBound().toString());
            groupOne.addItem(domain.getUpperBound().toString());
        }
    }
    groupOne.setSelectedItem(selected);
}

Example 55 with DataCell

use of org.knime.core.data.DataCell in project knime-core by knime.

the class TwoSampleTTestNodeModel method getLeveneStatistices.

/**
 * Get the table with the Levene-Test statistics
 * @param leveneResult the Levene-Test results
 * @param exec the execution context
 * @return the table with the Levene-Test statistics
 */
private BufferedDataTable getLeveneStatistices(final LeveneTestStatistics[] leveneResult, final ExecutionContext exec) {
    BufferedDataContainer cont = exec.createDataContainer(LeveneTestStatistics.getTableSpec());
    int r = 0;
    for (int i = 0; i < leveneResult.length; i++) {
        for (List<DataCell> cells : leveneResult[i].getTTestCells()) {
            cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
            r++;
        }
    }
    cont.close();
    return cont.getTable();
}