Package ciir.umass.edu.features

Class Normalizer

java.lang.Object

ciir.umass.edu.features.Normalizer

Direct Known Subclasses:

LinearNormalizer, SumNormalizor, ZScoreNormalizor

public class Normalizer
extends java.lang.Object

Author:

vdang Abstract class for feature normalization

Constructor Summary

Constructors

Constructor	Description
Normalizer()

Method Summary

Modifier and Type	Method	Description
java.lang.String	name()
void	normalize(RankList rl)
void	normalize(RankList rl, int[] fids)
void	normalize(java.util.List<RankList> samples)
void	normalize(java.util.List<RankList> samples, int[] fids)
int	numFeatures(RankList rl)
int[]	removeDuplicateFeatures(int[] fids)

Methods inherited from class java.lang.Object

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

Constructor Detail

Normalizer

public Normalizer()

Method Detail

normalize

public void normalize(RankList rl)

normalize

public void normalize(java.util.List<RankList> samples)

normalize

public void normalize(RankList rl,
                      int[] fids)

normalize

public void normalize(java.util.List<RankList> samples,
                      int[] fids)

removeDuplicateFeatures

public int[] removeDuplicateFeatures(int[] fids)

name

public java.lang.String name()

numFeatures

public int numFeatures(RankList rl)