com.meapsoft
Class CosineDist

java.lang.Object
  com.meapsoft.ChunkDist
      com.meapsoft.CosineDist

All Implemented Interfaces:

java.util.Comparator, java.io.Serializable

public class CosineDist

extends ChunkDist

Simple distance metric that calculates 1 - the cosine of the angle between two chunks' feature vectors.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.meapsoft.ChunkDist

featdim, next, targetChunk

Constructor Summary

CosineDist()

CosineDist(ChunkDist o)

CosineDist(ChunkDist o, int[] i)

CosineDist(int[] i)

Method Summary

double

distance(Chunk ch1, Chunk ch2) Compute distance between two Chunks

Methods inherited from class com.meapsoft.ChunkDist

compare, equals, setTarget

Methods inherited from class java.lang.Object

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

Constructor Detail

CosineDist

public CosineDist()

CosineDist

public CosineDist(ChunkDist o)

CosineDist

public CosineDist(int[] i)

CosineDist

public CosineDist(ChunkDist o,
                  int[] i)

Method Detail

distance

public double distance(Chunk ch1,
                       Chunk ch2)

Description copied from class: ChunkDist

Compute distance between two Chunks

Overrides:

distance in class ChunkDist