moj.similarity.measures
Class LanceWilliamsD_row

java.lang.Object
  moj.similarity.SimilarityMeasure
      moj.similarity.measures.LanceWilliamsD_row

public class LanceWilliamsD_row
extends SimilarityMeasure

LANCE & WILLIAMS DISTANCE
http://149.170.199.144/multivar/dist.htm
Range of 0 to 1. (Also known as the Bray-Curtis nonmetric coefficient.)
Usage: for binary data.

Version:

2004-Sep-17

Author:

Martin Hassel

Constructor Summary

LanceWilliamsD_row()

Method Summary

double[][]

analyzeMatrix(float[][] data_matrix)

Methods inherited from class java.lang.Object

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

Constructor Detail

LanceWilliamsD_row

public LanceWilliamsD_row()

Method Detail

analyzeMatrix

public double[][] analyzeMatrix(float[][] data_matrix)

Specified by:

analyzeMatrix in class SimilarityMeasure

Parameters:

data_matrix - an array of float arrays denoting the rows in the matrix that are to be compared for similarity.

Returns:

an array of double arrays containing the similarities between all rows