weka.distributed

Class WekaClassifierEvaluationReduceTask

java.lang.Object

weka.distributed.WekaClassifierEvaluationReduceTask

All Implemented Interfaces:

java.io.Serializable

public class WekaClassifierEvaluationReduceTask
extends java.lang.Object
implements java.io.Serializable

Reduce task for aggregating Evaluation objects

Version:

$Revision: 11273 $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WekaClassifierEvaluationReduceTask()

Method Summary

Modifier and Type	Method and Description
weka.classifiers.evaluation.Evaluation	aggregate(java.util.List<weka.classifiers.evaluation.Evaluation> evals) Aggregate a list of Evaluation objects.
static weka.core.Instances	evaluationResultsToInstances(weka.classifiers.evaluation.Evaluation eval) Represents basic evaluation and information retrieval results in a single instance dataset.

Methods inherited from class java.lang.Object

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

Constructor Detail

WekaClassifierEvaluationReduceTask

public WekaClassifierEvaluationReduceTask()

Method Detail

aggregate

public weka.classifiers.evaluation.Evaluation aggregate(java.util.List<weka.classifiers.evaluation.Evaluation> evals)
                                                 throws java.lang.Exception

Aggregate a list of Evaluation objects.

Parameters:

evals - the list of Evaluation objects to aggregate

Returns:

a single eval Evaluation

Throws:

java.lang.Exception - if a problem occurs

evaluationResultsToInstances

public static weka.core.Instances evaluationResultsToInstances(weka.classifiers.evaluation.Evaluation eval)
                                                        throws java.lang.Exception

Represents basic evaluation and information retrieval results in a single instance dataset.

Parameters:

eval - the Evaluation object to use

Returns:

a single instance dataset

Throws:

java.lang.Exception - if a problem occurs