fr.lip6.classifier
Class PegasosSVM<T>

java.lang.Object
  fr.lip6.classifier.PegasosSVM<T>

All Implemented Interfaces:

Classifier<T>

public class PegasosSVM<T>
extends java.lang.Object
implements Classifier<T>

Constructor Summary

PegasosSVM(Kernel<T> k)

Method Summary

java.util.ArrayList<java.lang.Double>	getAlphas() returns the list of weights associated with the support vectors
int	getK()
double	getLambda()
int	getT()
void	setK(int k)
void	setLambda(double lambda)
void	setT(int t)
void	train(java.util.ArrayList<TrainingSample<T>> l) Replace the current training and train the classifier
void	train(TrainingSample<T> t) Add a single example to the current training set and train the classifier
double	valueOf(T e) Computes the category of the provided example

Methods inherited from class java.lang.Object

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

Constructor Detail

PegasosSVM

public PegasosSVM(Kernel<T> k)

Method Detail

train

public void train(java.util.ArrayList<TrainingSample<T>> l)

Description copied from interface: Classifier

Replace the current training and train the classifier

Specified by:

train in interface Classifier<T>

Parameters:

l - list of training samples

train

public void train(TrainingSample<T> t)

Description copied from interface: Classifier

Add a single example to the current training set and train the classifier

Specified by:

train in interface Classifier<T>

Parameters:

t - the training sample

valueOf

public double valueOf(T e)

Description copied from interface: Classifier

Computes the category of the provided example

Specified by:

valueOf in interface Classifier<T>

Parameters:

e - example

Returns:

>0. if e belongs to the category, <0. if not.

getAlphas

public java.util.ArrayList<java.lang.Double> getAlphas()

returns the list of weights associated with the support vectors

Returns:

an ArrayList od Double containing the weights in the order of the training set.

getT

public int getT()

Returns:

the t

setT

public void setT(int t)

Parameters:

t - the t to set

getK

public int getK()

Returns:

the k

setK

public void setK(int k)

Parameters:

k - the k to set

getLambda

public double getLambda()

Returns:

the lambda

setLambda

public void setLambda(double lambda)

Parameters:

lambda - the lambda to set