Examples with BufferedDataContainer org.knime.core.node.BufferedDataContainer used on opensource projects

Example 6 with BufferedDataContainer

use of org.knime.core.node.BufferedDataContainer in project knime-core by knime.

the class RankCorrelationComputeNodeModel method filterMissings.

/**
 * @param filteredTable a Buffered Data Table.
 * @param exec The execution context
 * @return the table without any rows containing missing values.
 */
private BufferedDataTable filterMissings(final BufferedDataTable filteredTable, final ExecutionContext exec) {
    BufferedDataContainer tab = exec.createDataContainer(filteredTable.getDataTableSpec());
    for (DataRow row : filteredTable) {
        boolean includeRow = true;
        // check row for missingvalues
        for (DataCell cell : row) {
            if (cell.isMissing()) {
                includeRow = false;
                break;
            }
        }
        if (includeRow) {
            tab.addRowToTable(row);
        }
    }
    tab.close();
    return tab.getTable();
}

Example 7 with BufferedDataContainer

use of org.knime.core.node.BufferedDataContainer in project knime-core by knime.

the class PairedTTestStatistics method getTTestTable.

/**
 * Get the test result of the t-test.
 * @param exec the execution context
 * @return the t-test results
 */
public BufferedDataTable getTTestTable(final ExecutionContext exec) {
    DataTableSpec outSpec = getTableSpec();
    BufferedDataContainer cont = exec.createDataContainer(outSpec);
    int r = 0;
    for (List<DataCell> cells : getTTestCells()) {
        cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
        r++;
    }
    cont.close();
    BufferedDataTable outTable = cont.getTable();
    return outTable;
}

Example 8 with BufferedDataContainer

use of org.knime.core.node.BufferedDataContainer in project knime-core by knime.

the class PairedTTestStatistics method getDescStatsTable.

/**
 * Get descriptive statistics
 * @param exec the execution context
 * @return the descriptive statistics for each column of the pair
 */
public BufferedDataTable getDescStatsTable(final ExecutionContext exec) {
    DataTableSpec outSpec = getDescStatsSpec();
    BufferedDataContainer cont = exec.createDataContainer(outSpec);
    int r = 0;
    for (List<DataCell> cells : getDescStatsCells()) {
        cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
        r++;
    }
    cont.close();
    BufferedDataTable outTable = cont.getTable();
    return outTable;
}

Example 9 with BufferedDataContainer

use of org.knime.core.node.BufferedDataContainer in project knime-core by knime.

the class TwoSampleTTestStatistics method getTTestTable.

/**
 * Get the test result of the t-test, for the assumption of equal
 * variance and the assumption of unequal variances.
 * @param exec the execution context
 * @return the t-test results
 */
public BufferedDataTable getTTestTable(final ExecutionContext exec) {
    DataTableSpec outSpec = getTableSpec();
    BufferedDataContainer cont = exec.createDataContainer(outSpec);
    int r = 0;
    for (List<DataCell> cells : getTTestCells()) {
        cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
        r++;
    }
    cont.close();
    BufferedDataTable outTable = cont.getTable();
    return outTable;
}

Example 10 with BufferedDataContainer

use of org.knime.core.node.BufferedDataContainer in project knime-core by knime.

the class TwoSampleTTestStatistics method getGroupTable.

/**
 * Get descriptive statistics.
 * @param exec the execution context
 * @return the descriptive statistics for each group
 */
public BufferedDataTable getGroupTable(final ExecutionContext exec) {
    DataTableSpec outSpec = getGroupStatisticsSpec();
    BufferedDataContainer cont = exec.createDataContainer(outSpec);
    int r = 0;
    for (List<DataCell> cells : getGroupStatisticsCells()) {
        cont.addRowToTable(new DefaultRow(RowKey.createRowKey(r), cells));
        r++;
    }
    cont.close();
    BufferedDataTable outTable = cont.getTable();
    return outTable;
}