edu.cmu.minorthird.classify.transform
Class D2TransformLearner

java.lang.Object
  edu.cmu.minorthird.classify.transform.D2TransformLearner

All Implemented Interfaces:

InstanceTransformLearner

public class D2TransformLearner
extends java.lang.Object
implements InstanceTransformLearner

Author:

Edoardo Airoldi (eairoldi@cs.cmu.edu) Date: Mar 6, 2005

Constructor Summary

D2TransformLearner()

Method Summary

InstanceTransform	batchTrain(Dataset dataset) Examine data, build an instance transformer
double	getLength(Example e) Get the total number of words in an Example
static void	main(java.lang.String[] args)
java.util.TreeMap<java.lang.String,java.lang.Number>	mudelta2np(double mu, double delta, double omega)
void	setALPHA(double desiredLevel) Set ALPHA to the desired level
void	setClassParameter(int j, double d) Set probability of class j to d
void	setFeatureGivenClassParameter(Feature f, int j, Estimate pms)
void	setFeaturePdf(Feature f, java.lang.String pdf) Set the PDF for feature f
void	setMAX_WORDS(int number) Set MAX_WORDS to the desired number
void	setMIN_WORDS(int number) Set MIN_WORDS to the desired number
void	setPDF(java.lang.String pdf) Set PDF to the desired value
void	setREF_LENGTH(double desiredLength) Set REF_LENGTH to the desired value
void	setSAMPLE(int size) Set SAMPLE SIZE to the desired level
void	setSchema(ExampleSchema schema) ExampleSchema not used here ...
double	T1(int x1, int x2) Compute the T1 statistic corresponding to the counts in two texts

Methods inherited from class java.lang.Object

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

Constructor Detail

D2TransformLearner

public D2TransformLearner()

Method Detail

setSchema

public void setSchema(ExampleSchema schema)

ExampleSchema not used here ...

Specified by:

setSchema in interface InstanceTransformLearner

batchTrain

public InstanceTransform batchTrain(Dataset dataset)

Examine data, build an instance transformer

Specified by:

batchTrain in interface InstanceTransformLearner

setFeaturePdf

public void setFeaturePdf(Feature f,
                          java.lang.String pdf)

Set the PDF for feature f

setClassParameter

public void setClassParameter(int j,
                              double d)

Set probability of class j to d

setFeatureGivenClassParameter

public void setFeatureGivenClassParameter(Feature f,
                                          int j,
                                          Estimate pms)

mudelta2np

public java.util.TreeMap<java.lang.String,java.lang.Number> mudelta2np(double mu,
                                                                       double delta,
                                                                       double omega)

getLength

public double getLength(Example e)

Get the total number of words in an Example

T1

public double T1(int x1,
                 int x2)

Compute the T1 statistic corresponding to the counts in two texts

setREF_LENGTH

public void setREF_LENGTH(double desiredLength)

Set REF_LENGTH to the desired value

setPDF

public void setPDF(java.lang.String pdf)

Set PDF to the desired value

setMIN_WORDS

public void setMIN_WORDS(int number)

Set MIN_WORDS to the desired number

setMAX_WORDS

public void setMAX_WORDS(int number)

Set MAX_WORDS to the desired number

setSAMPLE

public void setSAMPLE(int size)

Set SAMPLE SIZE to the desired level

setALPHA

public void setALPHA(double desiredLevel)

Set ALPHA to the desired level

main

public static void main(java.lang.String[] args)