diva.sketch.classification

Class TrainingSet

java.lang.Object

diva.sketch.classification.TrainingSet

public final class TrainingSet
extends Object

A TrainingSet contains a set of types, and for each type a corresponding set of positive and negative examples. It used to train a TrainableClassifier.

Version:

$Revision: 1.7 $

Author:

Heloise Hse (hwawen@eecs.berkeley.edu), Michael Shilman (michaels@eecs.berkeley.edu)

Constructor Summary

Constructors

Constructor and Description
TrainingSet() Construct an empty training set.

Method Summary

Modifier and Type	Method and Description
void	addExample(String t, FeatureSet s, int which) Add a example to this training set for the given type (either positive or negative, denoted by the "which" argument).
void	addNegativeExample(String t, FeatureSet s) Add a negative example to this training set for the given type.
void	addPositiveExample(String t, FeatureSet s) Add a positive example to this training set for the given type.
boolean	containsType(String t) Return true if the training type with the specified name is in the set, or false otherwise.
int	getTypeCount() Return how many types are contained in this training set.
int	negativeExampleCount(String t) Returns the number of negative examples for the given type.
Iterator	negativeExamples(String t) An iterator over the negative examples for the given type.
int	positiveExampleCount(String t) Returns the number of positive examples for the given type.
Iterator	positiveExamples(String t) An iterator over the positive examples for the given type.
String	toString()
Iterator	types() An iterator over the types contained in this training set.

Methods inherited from class java.lang.Object

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

Constructor Detail

TrainingSet

public TrainingSet()

Construct an empty training set.

Method Detail

addNegativeExample

public final void addNegativeExample(String t,
                                     FeatureSet s)

Add a negative example to this training set for the given type.

addPositiveExample

public final void addPositiveExample(String t,
                                     FeatureSet s)

Add a positive example to this training set for the given type.

addExample

public final void addExample(String t,
                             FeatureSet s,
                             int which)

Add a example to this training set for the given type (either positive or negative, denoted by the "which" argument).

containsType

public final boolean containsType(String t)

Return true if the training type with the specified name is in the set, or false otherwise.

getTypeCount

public final int getTypeCount()

Return how many types are contained in this training set.

negativeExampleCount

public final int negativeExampleCount(String t)

Returns the number of negative examples for the given type.

negativeExamples

public final Iterator negativeExamples(String t)

An iterator over the negative examples for the given type.

positiveExampleCount

public final int positiveExampleCount(String t)

Returns the number of positive examples for the given type.

positiveExamples

public final Iterator positiveExamples(String t)

An iterator over the positive examples for the given type.

types

public Iterator types()

An iterator over the types contained in this training set.

toString

public String toString()

Overrides:

toString in class Object