com.rapidminer.operator.performance
Class SquaredError

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.SquaredError

All Implemented Interfaces:

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

public class SquaredError
extends SimpleCriterion

The squared error. Sums up the square of the absolute deviations and divides the sum by the number of examples.

Author:

Ingo Mierswa, Simon Fischer

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.rapidminer.operator.AbstractIOObject

AbstractIOObject.InputStreamProvider

Constructor Summary

SquaredError()

SquaredError(SquaredError se)

Method Summary

double	countExample(double label, double predictedLabel) Calculates the error for the current example.
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, isInTargetEncoding, setAverageCount, toString

Methods inherited from class com.rapidminer.operator.ResultObjectAdapter

addAction, getActions, getAnnotations, getResultIcon, log, log, logError, logNote, logWarning, toHTML, toResultString

Methods inherited from class com.rapidminer.operator.AbstractIOObject

appendOperatorToHistory, copy, getLog, getProcessingHistory, getSource, initWriting, read, read, read, 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

appendOperatorToHistory, copy, getLog, getProcessingHistory, getSource, setLoggingHandler, setSource, write

Constructor Detail

SquaredError

public SquaredError()

SquaredError

public SquaredError(SquaredError se)

Method Detail

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

countExample

public double countExample(double label,
                           double predictedLabel)

Calculates the error for the current example.

Specified by:

countExample in class SimpleCriterion

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