whistleClassifier.training
Class ClassifierTrainer

java.lang.Object
  whistleClassifier.training.ClassifierTrainer

public class ClassifierTrainer
extends java.lang.Object

Nested Class Summary

(package private) class

ClassifierTrainer.BootstrapRunnable

Field Summary

private double[][]	allTestData
private double[][]	allTrainingData
private ClassifierTrainer.BootstrapRunnable	bootsRunnable
private java.lang.Thread	bootstrapThread
private Jama.Matrix[]	confusionMatrixes
private boolean	dumpTextFile
private FragmentClassifierParams	fragmentClassifierParams
private FragmentParameteriser	fragmentParameteriser
private Jama.Matrix	l95Confusion
private Jama.Matrix	meanConfusion
private MessageArea	messageArea
private int	nBootstrap
private ProgressInformation	progressInformation
private boolean	runningBootstrap
private int	sectionLength
private Jama.Matrix	stdConfusion
private boolean	stopBootstrap
(package private) int[]	testGroup
private java.io.BufferedWriter	textFileWriter
private TrainingDataCollection	trainingDataCollection
(package private) int[]	trainingGroup
private TrainingObserver	trainingObserver
private TrainingSelector	trainingSelector
private Jama.Matrix	u95Confusion
private WhistleClassifierControl	whistleClassifierControl

Constructor Summary

ClassifierTrainer(WhistleClassifierControl whistleClassifierControl, TrainingDataCollection trainingDataCollection, MessageArea messageArea, ProgressInformation progressInformation, TrainingObserver trainingObserver)

Method Summary

private java.lang.String	addString(java.lang.String oldString, java.lang.String newString, int minWidth)
private java.io.BufferedWriter	createTextOutputStream() Create a text output file with a name based on the current date
private boolean	createTrainTestData(double trainingFraction)
private void	dumpMatrix(Jama.Matrix m, java.lang.String tit)
private void	dumpMatrix(Jama.Matrix m, java.lang.String tit, java.lang.String delimit)
private Jama.Matrix	getConfusionMatrix(int[] truth, int[] result)
Jama.Matrix	getMeanConfusion()
Jama.Matrix	getSTDConfusion()
private void	oneBootstrap(int iBoot)
private void	runBootstrap() Run the bootstrap - this gets called in a separate thread.
protected boolean	startBootstrap(FragmentClassifierParams fragmentClassifierParams, boolean dumpTextFile)
protected void	stop()
private void	trainWithAll() Do a final training of the classifier with all data.

Methods inherited from class java.lang.Object

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

Field Detail

whistleClassifierControl

private WhistleClassifierControl whistleClassifierControl

trainingDataCollection

private TrainingDataCollection trainingDataCollection

messageArea

private MessageArea messageArea

progressInformation

private ProgressInformation progressInformation

trainingObserver

private TrainingObserver trainingObserver

bootstrapThread

private java.lang.Thread bootstrapThread

bootsRunnable

private ClassifierTrainer.BootstrapRunnable bootsRunnable

nBootstrap

private int nBootstrap

sectionLength

private int sectionLength

runningBootstrap

private volatile boolean runningBootstrap

stopBootstrap

private volatile boolean stopBootstrap

trainingSelector

private TrainingSelector trainingSelector

fragmentParameteriser

private FragmentParameteriser fragmentParameteriser

fragmentClassifierParams

private FragmentClassifierParams fragmentClassifierParams

dumpTextFile

private boolean dumpTextFile

textFileWriter

private java.io.BufferedWriter textFileWriter

confusionMatrixes

private Jama.Matrix[] confusionMatrixes

meanConfusion

private Jama.Matrix meanConfusion

stdConfusion

private Jama.Matrix stdConfusion

l95Confusion

private Jama.Matrix l95Confusion

u95Confusion

private Jama.Matrix u95Confusion

allTrainingData

private double[][] allTrainingData

allTestData

private double[][] allTestData

trainingGroup

int[] trainingGroup

testGroup

int[] testGroup

Constructor Detail

ClassifierTrainer

public ClassifierTrainer(WhistleClassifierControl whistleClassifierControl,
                         TrainingDataCollection trainingDataCollection,
                         MessageArea messageArea,
                         ProgressInformation progressInformation,
                         TrainingObserver trainingObserver)

Method Detail

startBootstrap

protected boolean startBootstrap(FragmentClassifierParams fragmentClassifierParams,
                                 boolean dumpTextFile)

stop

protected void stop()

runBootstrap

private void runBootstrap()

Run the bootstrap - this gets called in a separate thread.

createTextOutputStream

private java.io.BufferedWriter createTextOutputStream()

Create a text output file with a name based on the current date

Returns:

buffered writer for text output.

trainWithAll

private void trainWithAll()

Do a final training of the classifier with all data.

getMeanConfusion

public Jama.Matrix getMeanConfusion()

getSTDConfusion

public Jama.Matrix getSTDConfusion()

createTrainTestData

private boolean createTrainTestData(double trainingFraction)

oneBootstrap

private void oneBootstrap(int iBoot)

getConfusionMatrix

private Jama.Matrix getConfusionMatrix(int[] truth,
                                       int[] result)

dumpMatrix

private void dumpMatrix(Jama.Matrix m,
                        java.lang.String tit,
                        java.lang.String delimit)

dumpMatrix

private void dumpMatrix(Jama.Matrix m,
                        java.lang.String tit)

addString

private java.lang.String addString(java.lang.String oldString,
                                   java.lang.String newString,
                                   int minWidth)