Package elki.application.statistics

Class RangeQuerySelectivity<V extends NumberVector>

java.lang.Object

elki.application.AbstractApplication

elki.application.AbstractDistanceBasedApplication<V>

elki.application.statistics.RangeQuerySelectivity<V>

Type Parameters:

V - Vector type

public class RangeQuerySelectivity<V extends NumberVector>
extends AbstractDistanceBasedApplication<V>

Evaluate the range query selectivity.

TODO: Add sampling

Since:

0.7.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private static Logging	LOG	The logger for this class.
protected double	radius	Query radius
protected RandomFactory	random	Random sampling seed.
protected double	sampling	Relative number of object to use in sampling.

Fields inherited from class elki.application.AbstractDistanceBasedApplication

distance, inputstep

Fields inherited from class elki.application.AbstractApplication

REFERENCE, VERSION

Constructor Summary

Constructors

Constructor	Description
RangeQuerySelectivity(InputStep inputstep, Distance<? super V> distance, double radius, double sampling, RandomFactory random)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	run()	Runs the application.

Methods inherited from class elki.application.AbstractApplication

printErrorMessage, runCLIApplication, usage

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

The logger for this class.

radius

protected double radius

Query radius

sampling

protected double sampling

Relative number of object to use in sampling.

random

protected RandomFactory random

Random sampling seed.

Constructor Detail

RangeQuerySelectivity

public RangeQuerySelectivity(InputStep inputstep,
                             Distance<? super V> distance,
                             double radius,
                             double sampling,
                             RandomFactory random)

Constructor.

Parameters:

inputstep - Input step

distance - Distance function

radius - Radius

sampling - Sampling rate

random - Random sampling generator

Method Detail

run

public void run()

Description copied from class: AbstractApplication

Runs the application.

Specified by:

run in class AbstractApplication