edu.stanford.math.plex

Class DistanceData

java.lang.Object

edu.stanford.math.plex.PointData

edu.stanford.math.plex.DistanceData

public class DistanceData
extends PointData

The DistanceData class is the simplest implementation of NSpace. Intended for smallish data sets.

Version:

$Id$

Nested Class Summary

Nested classes/interfaces inherited from class edu.stanford.math.plex.PointData

PointData.Discrete, PointData.NSpace, PointData.Predicate

Field Summary

Fields inherited from class edu.stanford.math.plex.PointData

rand

Constructor Summary

Constructors

Constructor and Description
DistanceData(double[][] data)

Method Summary

Methods

Modifier and Type	Method and Description
int	count() The number of data points.
double	distance(int p1, int p2) Euclidean distance.

Methods inherited from class edu.stanford.math.plex.PointData

random_points

Methods inherited from class java.lang.Object

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

Constructor Detail

DistanceData

public DistanceData(double[][] data)

Method Detail

count

public int count()

The number of data points.

Specified by:

count in class PointData

Returns:

the number of points

distance

public double distance(int p1,
              int p2)

Euclidean distance.

Specified by:

distance in class PointData

Parameters:

p1 - the first point

p2 - the second point

Returns:

the distance between p1 and p2.