nl.nn.adapterframework.statistics.percentiles

Class PercentileEstimatorBase

java.lang.Object

nl.nn.adapterframework.statistics.percentiles.PercentileEstimatorBase

All Implemented Interfaces:

PercentileEstimator

Direct Known Subclasses:

PercentileEstimatorRanked

public class PercentileEstimatorBase
extends Object
implements PercentileEstimator

Basic interpolating percentile estimator. After the array has been filled with samples, the estimates do not change anymore. Interpolated values do not change anymore once the array gets filled completely.

Author:

Gerrit van Brakel

Field Summary

Fields

Modifier and Type	Field and Description
protected long[]	values

Constructor Summary

Constructors

Constructor and Description
PercentileEstimatorBase(String configKey, String defaultPList, int valueArraySize)

Method Summary

Modifier and Type	Method and Description
void	addValue(long value, long count, long min, long max)
protected double	getInterpolatedPercentile(int p, long count)
int	getNumPercentiles()
int	getPercentage(int index)
double	getPercentileEstimate(int index, long count, long min, long max)
XmlBuilder	getSample(int index, long count, long min, long max)
int	getSampleCount(long count, long min, long max)
protected void	storeFirstValue(long value, long count)

Methods inherited from class java.lang.Object

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

Field Detail

values

protected long[] values

Constructor Detail

PercentileEstimatorBase

public PercentileEstimatorBase(String configKey,
                               String defaultPList,
                               int valueArraySize)

Method Detail

addValue

public void addValue(long value,
                     long count,
                     long min,
                     long max)

Specified by:

addValue in interface PercentileEstimator

storeFirstValue

protected void storeFirstValue(long value,
                               long count)

getInterpolatedPercentile

protected double getInterpolatedPercentile(int p,
                                           long count)

getPercentileEstimate

public double getPercentileEstimate(int index,
                                    long count,
                                    long min,
                                    long max)

Specified by:

getPercentileEstimate in interface PercentileEstimator

getNumPercentiles

public int getNumPercentiles()

Specified by:

getNumPercentiles in interface PercentileEstimator

getPercentage

public int getPercentage(int index)

Specified by:

getPercentage in interface PercentileEstimator

getSampleCount

public int getSampleCount(long count,
                          long min,
                          long max)

Specified by:

getSampleCount in interface PercentileEstimator

getSample

public XmlBuilder getSample(int index,
                            long count,
                            long min,
                            long max)

Specified by:

getSample in interface PercentileEstimator