stream.learner.evaluation

Class PredictionError

java.lang.Object

stream.AbstractProcessor

stream.learner.evaluation.PredictionError

All Implemented Interfaces:

Processor, StatefulProcessor

public class PredictionError
extends AbstractProcessor

This class implements a generic prediction error evaluator. The prediction error(s) are added to the data item...

Author:

Christian Bockermann <christian.bockermann@udo.edu>

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,ConfusionMatrix<Serializable>>	confusionMatrices
(package private) Integer	count
(package private) Integer	every
(package private) String	label
(package private) String[]	learner
(package private) static org.slf4j.Logger	log
(package private) LossFunction<Serializable>	loss
(package private) String	prefix

Fields inherited from class stream.AbstractProcessor

context

Constructor Summary

Constructors

Constructor and Description
PredictionError()

Method Summary

Modifier and Type	Method and Description
void	finish()
String	getLabel()
String[]	getLearner()
String	getPrefix()
Data	process(Data data)
void	setLabel(String label)
void	setLearner(String[] learner)
void	setPrefix(String prefix)

Methods inherited from class stream.AbstractProcessor

init, resetState

Methods inherited from class java.lang.Object

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

Field Detail

log

static org.slf4j.Logger log

loss

LossFunction<Serializable> loss

prefix

String prefix

label

String label

learner

String[] learner

count

Integer count

every

Integer every

confusionMatrices

protected Map<String,ConfusionMatrix<Serializable>> confusionMatrices

Constructor Detail

PredictionError

public PredictionError()

Method Detail

getPrefix

public String getPrefix()

Returns:

the prefix

setPrefix

public void setPrefix(String prefix)

Parameters:

prefix - the prefix to set

getLabel

public String getLabel()

Returns:

the labels

setLabel

public void setLabel(String label)

Parameters:

labels - the labels to set

getLearner

public String[] getLearner()

Returns:

the learners

setLearner

public void setLearner(String[] learner)

Parameters:

learners - the learners to set

process

public Data process(Data data)

See Also:

DataProcessor

finish

public void finish()
            throws Exception

Specified by:

finish in interface StatefulProcessor

Overrides:

finish in class AbstractProcessor

Throws:

Exception

See Also:

AbstractProcessor.finish()