hr.irb.fastRandomForest

Class VotesCollectorDataCache

java.lang.Object

hr.irb.fastRandomForest.VotesCollectorDataCache

All Implemented Interfaces:

Callable<Double>

public class VotesCollectorDataCache
extends Object
implements Callable<Double>

Used to retrieve the out-of-bag vote of an FastRandomForest classifier for a single instance from a DataCache the forest was trained on. New in 0.99. Used for OOB error calculation and feature importances.

In classification, does not return the class distribution, but only the class index of the dominant class.

Implements callable so it can be run in multiple threads.

Author:

Fran Supek

Field Summary

Fields

Modifier and Type	Field and Description
protected DataCache	data
protected boolean[][]	inBag NumTrees x numInstances indicating out-of-bag instances.
protected int	instanceIdx
protected weka.classifiers.Classifier[]	m_Classifiers

Constructor Summary

Constructors

Constructor and Description
VotesCollectorDataCache(weka.classifiers.Classifier[] m_Classifiers, int instanceIdx, DataCache data, boolean[][] inBag)

Method Summary

Modifier and Type	Method and Description
Double	call() Determine predictions for a single instance (defined in "instanceIdx").

Methods inherited from class java.lang.Object

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

Field Detail

m_Classifiers

protected final weka.classifiers.Classifier[] m_Classifiers

instanceIdx

protected final int instanceIdx

data

protected final DataCache data

inBag

protected final boolean[][] inBag

NumTrees x numInstances indicating out-of-bag instances.

Constructor Detail

VotesCollectorDataCache

public VotesCollectorDataCache(weka.classifiers.Classifier[] m_Classifiers,
                               int instanceIdx,
                               DataCache data,
                               boolean[][] inBag)

Method Detail

call

public Double call()
            throws Exception

Determine predictions for a single instance (defined in "instanceIdx").

Specified by:

call in interface Callable<Double>

Throws:

Exception