com.rapidminer.operator.performance
Class AbsoluteError

java.lang.Object
  com.rapidminer.operator.AbstractIOObject
      com.rapidminer.operator.ResultObjectAdapter
          com.rapidminer.tools.math.Averagable
              com.rapidminer.operator.performance.PerformanceCriterion
                  com.rapidminer.operator.performance.MeasuredPerformance
                      com.rapidminer.operator.performance.SimpleCriterion
                          com.rapidminer.operator.performance.AbsoluteError

All Implemented Interfaces:

IOObject, ResultObject, Saveable, Readable, Reportable, LoggingHandler, java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<PerformanceCriterion>

public class AbsoluteError
extends SimpleCriterion

The absolute error: Sum(|label-predicted|)/#examples. Mean absolue error is the average of the difference between predicted and actual value in all test cases; it is the average prediction error.

Author:

Ingo Mierswa

See Also:

Serialized Form

Constructor Summary

AbsoluteError()

AbsoluteError(AbsoluteError ae)

Method Summary

double	countExample(double label, double predictedLabel) Subclasses must count the example and return the value to sum up.
java.lang.String	getDescription() Returns a description of the performance criterion.
java.lang.String	getName() Returns the name of this averagable.

Methods inherited from class com.rapidminer.operator.performance.SimpleCriterion

buildSingleAverage, countExample, countExampleWithWeight, getExampleCount, getFitness, getMaxFitness, getMikroAverage, getMikroVariance, startCounting, transform

Methods inherited from class com.rapidminer.operator.performance.MeasuredPerformance

startCounting

Methods inherited from class com.rapidminer.operator.performance.PerformanceCriterion

compareTo

Methods inherited from class com.rapidminer.tools.math.Averagable

buildAverage, clone, cloneAveragable, formatPercent, getAverage, getAverageCount, getExtension, getFileDescription, getMakroAverage, getMakroStandardDeviation, getMakroVariance, getMikroStandardDeviation, getStandardDeviation, getVariance, getVisualizationComponent, setAverageCount, toString

Methods inherited from class com.rapidminer.operator.ResultObjectAdapter

addAction, getActions, getResultIcon, isSavable, log, logError, logNote, logWarning, save, toHTML, toResultString

Methods inherited from class com.rapidminer.operator.AbstractIOObject

copy, getLog, getSource, initWriting, read, setLoggingHandler, setSource, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.rapidminer.operator.IOObject

copy, getLog, getSource, setLoggingHandler, setSource, write

Constructor Detail

AbsoluteError

public AbsoluteError()

AbsoluteError

public AbsoluteError(AbsoluteError ae)

Method Detail

countExample

public double countExample(double label,
                           double predictedLabel)

Description copied from class: SimpleCriterion

Subclasses must count the example and return the value to sum up.

Specified by:

countExample in class SimpleCriterion

getName

public java.lang.String getName()

Description copied from class: Averagable

Returns the name of this averagable. The returned string should only contain lowercase letters and underscore (RapidMiner parameter format) since the names will be automatically used for GUI purposes.

Specified by:

getName in interface ResultObject

Specified by:

getName in class Averagable

getDescription

public java.lang.String getDescription()

Description copied from class: PerformanceCriterion

Returns a description of the performance criterion. This description is used for GUI purposes and automatic parameter type creation for the PerformanceEvaluator operator.

Specified by:

getDescription in class PerformanceCriterion