Package dragon.ir.classification.featureselection

Interface Summary

Interface	Description
FeatureSelector	Interface of feature selector which often work tegether with text classifiers.

Class Summary

Class	Description
AbstractFeatureSelector	Abstract function class for feature selection
ChiFeatureSelector	CHI Feature Selector which uses the statistics CHI to select top features
DocFrequencySelector	Unsupervised Feature Selector which exclude features with its document frequency less than a given threshold
InfoGainFeatureSelector	A Feature Selector which uses information gain to select top features
MutualInfoFeatureSelector	A Feature Selector which uses mutual information to select top features
NullFeatureSelector	A Null Feature Selector