org.knime.base.data.statistics

Class StatisticSorted

java.lang.Object

org.knime.base.data.statistics.Statistic

org.knime.base.data.statistics.StatisticSorted

Direct Known Subclasses:

Median

public abstract class StatisticSorted
extends Statistic

Flags statistics which have to be performed on sorted data. Using a sorted statistic forces the StatisticCalculator to sort the data table, which leads to additional effort.

Since:

2.11

Author:

Marcel Hanser

Constructor Summary

Constructors

Constructor and Description
StatisticSorted(Class<? extends DataValue>[] clazz, String... columns)
StatisticSorted(Class<? extends DataValue> clazz, String... columns)

Method Summary

Methods inherited from class org.knime.base.data.statistics.Statistic

afterEvaluation, assertIndexForColumn, beforeEvaluation, beforeEvaluation, consumeRow, containsColumn, finish, getColumns, getIndexForColumn, getIndices, init, init

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatisticSorted

@SafeVarargs
public StatisticSorted(Class<? extends DataValue> clazz,
                                    String... columns)

Parameters:

clazz - DataValue implementations for which this statistic is defined

columns - the columns for which this statistic is defined. If it is empty the default columns given in the StatisticCalculator.StatisticCalculator(DataTableSpec, String[], Statistic...) which are compatible to the clazz attribute are used

StatisticSorted

@SafeVarargs
public StatisticSorted(Class<? extends DataValue>[] clazz,
                                    String... columns)

Parameters:

clazz - DataValue implementation for which this statistic is defined

columns - the columns for which this statistic is defined. If it is empty the default columns given in the StatisticCalculator.StatisticCalculator(DataTableSpec, String[], Statistic...) which are compatible to the clazz attribute are used