nominaldistancemeasure.java

著名的开源仿真软件yale

package edu.udo.cs.yale.operator.clusterer.upgma;

import edu.udo.cs.yale.example.Example;

public class NominalDistanceMeasure extends DistanceMeasure {

    public double calculateDistance(Example e1, Example e2) {
	int sum = 0;
	for (int i = 0; i < e1.getNumberOfAttributes(); i++) {
	    if (e1.getValue(i) != e2.getValue(i))
		sum++;
	}
	return sum;
    }

}