metrics
Class CityBlockMetric

java.lang.Object
  metrics.CityBlockMetric

All Implemented Interfaces:

MetricModel

public class CityBlockMetric
extends java.lang.Object
implements MetricModel

City block metric return distance calculated by function: sum|x_i - y_i| for each element from inputs vectors, where x_i is first input vector element, y_i is second vector element.

Constructor Summary

CityBlockMetric()
Creates a new instance of CityBlockMetric

Method Summary

double

getDistance(double[] firstVector, double[] secondVector) Return value containing the distance information.

Methods inherited from class java.lang.Object

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

Constructor Detail

CityBlockMetric

public CityBlockMetric()

Creates a new instance of CityBlockMetric

Method Detail

getDistance

public double getDistance(double[] firstVector,
                          double[] secondVector)

Return value containing the distance information. firstVector vector and secondVector must have the same size otherwise function return -1

Specified by:

getDistance in interface MetricModel

Parameters:

firstVector - first input vector

secondVector - second input vector

Returns:

distance information