org.apache.ctakes.assertion.attributes.features.selection

Class FeatureSelection<OUTCOME_T>

java.lang.Object

org.cleartk.ml.feature.transform.TrainableExtractor_ImplBase<OUTCOME_T>

org.apache.ctakes.assertion.attributes.features.selection.FeatureSelection<OUTCOME_T>

All Implemented Interfaces:

com.google.common.base.Predicate<org.cleartk.ml.Feature>, org.cleartk.ml.feature.transform.TrainableExtractor<OUTCOME_T>

Direct Known Subclasses:

Chi2FeatureSelection, MutualInformationFeatureSelection

public abstract class FeatureSelection<OUTCOME_T>
extends org.cleartk.ml.feature.transform.TrainableExtractor_ImplBase<OUTCOME_T>
implements com.google.common.base.Predicate<org.cleartk.ml.Feature>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isTrained
protected Set<String>	selectedFeatureNames

Fields inherited from class org.cleartk.ml.feature.transform.TrainableExtractor_ImplBase

name

Constructor Summary

Constructors

Constructor and Description
FeatureSelection(String name)

Method Summary

Modifier and Type	Method and Description
boolean	apply(org.cleartk.ml.Feature feature)
protected String	getFeatureName(org.cleartk.ml.Feature feature)
org.cleartk.ml.Instance<OUTCOME_T>	transform(org.cleartk.ml.Instance<OUTCOME_T> instance)
List<org.cleartk.ml.Feature>	transform(List<org.cleartk.ml.Feature> features)

Methods inherited from class org.cleartk.ml.feature.transform.TrainableExtractor_ImplBase

isTransformable, selectTransformableFeatures

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Predicate

equals

Methods inherited from interface org.cleartk.ml.feature.transform.TrainableExtractor

load, save, train

Field Detail

isTrained

protected boolean isTrained

selectedFeatureNames

protected Set<String> selectedFeatureNames

Constructor Detail

FeatureSelection

public FeatureSelection(String name)

Method Detail

apply

public boolean apply(org.cleartk.ml.Feature feature)

Specified by:

apply in interface com.google.common.base.Predicate<org.cleartk.ml.Feature>

transform

public org.cleartk.ml.Instance<OUTCOME_T> transform(org.cleartk.ml.Instance<OUTCOME_T> instance)

Specified by:

transform in interface org.cleartk.ml.feature.transform.TrainableExtractor<OUTCOME_T>

transform

public List<org.cleartk.ml.Feature> transform(List<org.cleartk.ml.Feature> features)

getFeatureName

protected String getFeatureName(org.cleartk.ml.Feature feature)