aima.learning.neural
Class NNDataSet

java.lang.Object
  aima.learning.neural.NNDataSet

Direct Known Subclasses:

IrisNNDataSet, RabbitEyeDataSet

public abstract class NNDataSet
extends java.lang.Object

Field Summary

protected java.util.List<java.util.List<java.lang.Double>>	nds
protected java.util.List<java.lang.Integer>	targetColumnNumbers

Constructor Summary

NNDataSet()

Method Summary

void	createExamplesFromDataSet(DataSet ds, Numerizer numerizer)
void	createExamplesFromFile(java.lang.String filename)
void	createNormalizedDataFromDataSet(DataSet ds, Numerizer numerizer)
void	createNormalizedDataFromFile(java.lang.String filename)
NNExample	getExample(int index)
NNExample	getExampleAtRandom()
java.util.List<java.lang.Double>	getMeans()
java.util.List<java.util.List<java.lang.Double>>	getNormalizedData()
java.util.List<java.lang.Double>	getStdevs()
boolean	hasMoreExamples()
int	howManyExamplesLeft()
void	refreshDataset()
abstract void	setTargetColumns()

Methods inherited from class java.lang.Object

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

Field Detail

nds

protected java.util.List<java.util.List<java.lang.Double>> nds

targetColumnNumbers

protected java.util.List<java.lang.Integer> targetColumnNumbers

Constructor Detail

NNDataSet

public NNDataSet()

Method Detail

setTargetColumns

public abstract void setTargetColumns()

createNormalizedDataFromFile

public void createNormalizedDataFromFile(java.lang.String filename)
                                  throws java.lang.Exception

Throws:

java.lang.Exception

createNormalizedDataFromDataSet

public void createNormalizedDataFromDataSet(DataSet ds,
                                            Numerizer numerizer)
                                     throws java.lang.Exception

Throws:

java.lang.Exception

getExampleAtRandom

public NNExample getExampleAtRandom()

getExample

public NNExample getExample(int index)

hasMoreExamples

public boolean hasMoreExamples()

howManyExamplesLeft

public int howManyExamplesLeft()

refreshDataset

public void refreshDataset()

createExamplesFromFile

public void createExamplesFromFile(java.lang.String filename)
                            throws java.lang.Exception

Throws:

java.lang.Exception

createExamplesFromDataSet

public void createExamplesFromDataSet(DataSet ds,
                                      Numerizer numerizer)
                               throws java.lang.Exception

Throws:

java.lang.Exception

getNormalizedData

public java.util.List<java.util.List<java.lang.Double>> getNormalizedData()

getMeans

public java.util.List<java.lang.Double> getMeans()

getStdevs

public java.util.List<java.lang.Double> getStdevs()