Package elki.data.uncertain

Class UniformContinuousUncertainObject

java.lang.Object

elki.data.uncertain.AbstractUncertainObject

elki.data.uncertain.UniformContinuousUncertainObject

All Implemented Interfaces:

FeatureVector<java.lang.Double>, SpatialComparable, UncertainObject

public class UniformContinuousUncertainObject
extends AbstractUncertainObject

Continuous uncertain object model using a uniform distribution on the bounding box.

This is a continuous version of the U-Model in:

L. Antova, T. Jansen, C. Koch, D. Olteanu
Fast and simple relational processing of uncertain data
In IEEE 24th International Conference on Data Engineering (ICDE) 2008.

Since:

0.7.0

Author:

Alexander Koos, Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	UniformContinuousUncertainObject.Factory	Factory class for this data type.

Field Summary

Fields

Modifier and Type	Field	Description
static FeatureVector.Factory<UniformContinuousUncertainObject,?>	FACTORY	Vector factory.

Fields inherited from class elki.data.uncertain.AbstractUncertainObject

bounds, DEFAULT_TRY_LIMIT

Fields inherited from interface elki.data.FeatureVector

TYPE

Fields inherited from interface elki.data.uncertain.UncertainObject

DISCRETE_UNCERTAIN_OBJECT, UNCERTAIN_OBJECT_FIELD

Constructor Summary

Constructors

Constructor	Description
UniformContinuousUncertainObject(SpatialComparable bounds)	Constructor.

Method Summary

Modifier and Type	Method	Description
DoubleVector	drawSample(java.util.Random rand)	Draw a random sampled instance.
DoubleVector	getCenterOfMass()	Get the center of mass of the uncertain object.

Methods inherited from class elki.data.uncertain.AbstractUncertainObject

computeBounds, getDimensionality, getMax, getMin, getValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.data.FeatureVector

toString

Field Detail

FACTORY

public static final FeatureVector.Factory<UniformContinuousUncertainObject,?> FACTORY

Vector factory.

Constructor Detail

UniformContinuousUncertainObject

public UniformContinuousUncertainObject(SpatialComparable bounds)

Constructor.

Parameters:

bounds - Bounding box.

Method Detail

getCenterOfMass

public DoubleVector getCenterOfMass()

Description copied from interface: UncertainObject

Get the center of mass of the uncertain object.

Specified by:

getCenterOfMass in interface UncertainObject

Specified by:

getCenterOfMass in class AbstractUncertainObject

Returns:

Center of mass.

drawSample

public DoubleVector drawSample(java.util.Random rand)

Description copied from interface: UncertainObject

Draw a random sampled instance.

Specified by:

drawSample in interface UncertainObject

Specified by:

drawSample in class AbstractUncertainObject

Parameters:

rand - Random generator

Returns:

Sampled object.