com.sun.labs.minion.classification
Class SimpleFeatureSelector

java.lang.Object
  com.sun.labs.minion.classification.SimpleFeatureSelector

All Implemented Interfaces:

FeatureSelector

public class SimpleFeatureSelector
extends java.lang.Object
implements FeatureSelector

A class that selects the top n features from a set of documents based on the weights assigned by a term weighting function.

Constructor Summary

SimpleFeatureSelector()
Creates a SimpleFeatureSelector

Method Summary

FeatureClusterSet	select(FeatureClusterSet set, WeightingComponents wc, int numTrainingDocs, int numFeatures, SearchEngine engine) Selects the features from the documents in the training set.
void	setHumanSelected(HumanSelected hs) Provides a set of human selected terms that should be included or excluded from consideration during the feature selection process.
void	setStopWords(StopWords stopWords) Sets a stopword list: words that should be ignored when selecting features.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFeatureSelector

public SimpleFeatureSelector()

Creates a SimpleFeatureSelector

Method Detail

setHumanSelected

public void setHumanSelected(HumanSelected hs)

Description copied from interface: FeatureSelector

Provides a set of human selected terms that should be included or excluded from consideration during the feature selection process.

Specified by:

setHumanSelected in interface FeatureSelector

select

public FeatureClusterSet select(FeatureClusterSet set,
                                WeightingComponents wc,
                                int numTrainingDocs,
                                int numFeatures,
                                SearchEngine engine)

Description copied from interface: FeatureSelector

Selects the features from the documents in the training set.

Specified by:

select in interface FeatureSelector

Parameters:

set - the set of feature clusters from the training set.

numFeatures - the number of features to select.

Returns:

a sorted set of the features

setStopWords

public void setStopWords(StopWords stopWords)

Description copied from interface: FeatureSelector

Sets a stopword list: words that should be ignored when selecting features.

Specified by:

setStopWords in interface FeatureSelector

Parameters:

stopWords - the set of words to ignore when performing feature selection.