Package dragon.ir.classification.multiclass

Reducing multi-class classification to binary classifiers.

See:
          Description

Interface Summary
CodeMatrix Code Matrix Interface
LossFunction Loss Function Interface
MultiClassDecoder Interface for Multi-class Decoder
 

Class Summary
AbstractCodeMatrix Abstract Code Matrix
AllPairCodeMatrix Pairwise Code Matrix
HingeLoss Hinge Loss Function
LinearLoss Linear Loss Function
LossMultiClassDecoder Loss-based Multi-class Decoder
OVACodeMatrix One-versus-all Code Matrix
 

Package dragon.ir.classification.multiclass Description

Reducing multi-class classification to binary classifiers.

Package Specification

Some classifiers such as support vector machines (SVM) can only handle two-class classification problem. If the classification involves multi classes, it has to reduce the multi-class classification to a set of binary classifiers and then combine results from all binary classifiers to predict the label of an example.