moj.similarity.measures
Class YuleQS_row

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

public class YuleQS_row
extends SimilarityMeasure

YULE'S Q SIMILARITY
http://149.170.199.144/multivar/dist.htm
http://crrm.univ-mrs.fr/commercial/software/dataview/appendix.html
This index is a function of the cross-ratio for a 2x2 table and is independent of the marginal totals. It has a range of -1 to 1. Also known as the coefficient of colligation.
similarity [-1, 1]
Usage: for binary data.

Version:

2004-Sep-17

Author:

Martin Hassel

Constructor Summary

YuleQS_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

YuleQS_row

public YuleQS_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