com.github.chen0040.clustering

Class DistanceMeasureService

java.lang.Object

com.github.chen0040.clustering.DistanceMeasureService

public class DistanceMeasureService
extends Object

Created by xschen on 17/8/15.

Constructor Summary

Constructors

Constructor and Description
DistanceMeasureService()

Method Summary

Modifier and Type	Method and Description
static double	euclideanDistance(double[] x1, double[] x2)
static double	getDistance(com.github.chen0040.data.frame.DataRow t1, com.github.chen0040.data.frame.DataRow t2, java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,com.github.chen0040.data.frame.DataRow,Double> distance)
static double	getDistance(com.github.chen0040.data.frame.DataRow t1, double[] t2, java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distance)
static List<com.github.chen0040.data.utils.TupleTwo<com.github.chen0040.data.frame.DataRow,Double>>	getKNearestNeighbors(com.github.chen0040.data.frame.DataFrame batch, com.github.chen0040.data.frame.DataRow t, int k, java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distanceMeasure)
static com.github.chen0040.data.utils.TupleTwo<com.github.chen0040.data.frame.DataRow,Double>	getKthNearestNeighbor(com.github.chen0040.data.frame.DataFrame batch, com.github.chen0040.data.frame.DataRow tuple, int k, java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distanceMeasure)

Methods inherited from class java.lang.Object

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

Constructor Detail

DistanceMeasureService

public DistanceMeasureService()

Method Detail

getDistance

public static double getDistance(com.github.chen0040.data.frame.DataRow t1,
                                 double[] t2,
                                 java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distance)

getDistance

public static double getDistance(com.github.chen0040.data.frame.DataRow t1,
                                 com.github.chen0040.data.frame.DataRow t2,
                                 java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,com.github.chen0040.data.frame.DataRow,Double> distance)

euclideanDistance

public static double euclideanDistance(double[] x1,
                                       double[] x2)

getKNearestNeighbors

public static List<com.github.chen0040.data.utils.TupleTwo<com.github.chen0040.data.frame.DataRow,Double>> getKNearestNeighbors(com.github.chen0040.data.frame.DataFrame batch,
                                                                                                                                com.github.chen0040.data.frame.DataRow t,
                                                                                                                                int k,
                                                                                                                                java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distanceMeasure)

getKthNearestNeighbor

public static com.github.chen0040.data.utils.TupleTwo<com.github.chen0040.data.frame.DataRow,Double> getKthNearestNeighbor(com.github.chen0040.data.frame.DataFrame batch,
                                                                                                                           com.github.chen0040.data.frame.DataRow tuple,
                                                                                                                           int k,
                                                                                                                           java.util.function.BiFunction<com.github.chen0040.data.frame.DataRow,double[],Double> distanceMeasure)