moa.core

Class GreenwaldKhannaQuantileSummary

java.lang.Object

moa.AbstractMOAObject

moa.core.GreenwaldKhannaQuantileSummary

All Implemented Interfaces:

Serializable, MOAObject

public class GreenwaldKhannaQuantileSummary
extends AbstractMOAObject

Class for representing summaries of Greenwald and Khanna quantiles.

Version:

$Revision: 7 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	GreenwaldKhannaQuantileSummary.Tuple

Field Summary

Fields

Modifier and Type	Field and Description
protected long	numObservations
protected int	numTuples
protected GreenwaldKhannaQuantileSummary.Tuple[]	summary

Constructor Summary

Constructors

Constructor and Description
GreenwaldKhannaQuantileSummary(int maxTuples)

Method Summary

Methods

Modifier and Type	Method and Description
void	compress(long maxDelta)
static long[]	computeBandBoundaries(long maxDelta)
protected void	deleteMergeableTupleMostFull()
protected void	deleteTuple(int index)
protected void	deleteTupleMostFull()
protected int	findIndexOfTupleGreaterThan(double val)
long	findMaxDelta()
long	getCountBelow(double cutpoint)
void	getDescription(StringBuilder sb, int indent) Returns a string representation of this object.
double	getPropotionBelow(double cutpoint)
double	getQuantile(double quant)
double[]	getSuggestedCutpoints()
long	getTotalCount()
long	getWorstError()
void	insert(double val)
protected void	insertTuple(GreenwaldKhannaQuantileSummary.Tuple t, int index)

Methods inherited from class moa.AbstractMOAObject

copy, copy, measureByteSize, measureByteSize, toString

Methods inherited from class java.lang.Object

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

Field Detail

summary

protected GreenwaldKhannaQuantileSummary.Tuple[] summary

numTuples

protected int numTuples

numObservations

protected long numObservations

Constructor Detail

GreenwaldKhannaQuantileSummary

public GreenwaldKhannaQuantileSummary(int maxTuples)

Method Detail

insert

public void insert(double val)

insertTuple

protected void insertTuple(GreenwaldKhannaQuantileSummary.Tuple t,
               int index)

deleteTuple

protected void deleteTuple(int index)

deleteTupleMostFull

protected void deleteTupleMostFull()

deleteMergeableTupleMostFull

protected void deleteMergeableTupleMostFull()

getWorstError

public long getWorstError()

findMaxDelta

public long findMaxDelta()

compress

public void compress(long maxDelta)

getQuantile

public double getQuantile(double quant)

getTotalCount

public long getTotalCount()

getPropotionBelow

public double getPropotionBelow(double cutpoint)

getCountBelow

public long getCountBelow(double cutpoint)

getSuggestedCutpoints

public double[] getSuggestedCutpoints()

findIndexOfTupleGreaterThan

protected int findIndexOfTupleGreaterThan(double val)

computeBandBoundaries

public static long[] computeBandBoundaries(long maxDelta)

getDescription

public void getDescription(StringBuilder sb,
                  int indent)

Description copied from interface: MOAObject

Returns a string representation of this object. Used in AbstractMOAObject.toString to give a string representation of the object.

Parameters:

sb - the stringbuilder to add the description

indent - the number of characters to indent