io.praesid.livestats

Class Quantile

java.lang.Object

io.praesid.livestats.Quantile

All Implemented Interfaces:

Serializable

@ThreadSafe
public final class Quantile
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
double	percentile

Constructor Summary

Constructors

Constructor and Description
Quantile(double percentile) Constructs a single quantile object

Method Summary

Modifier and Type	Method and Description
void	add(double item, double targetMin, double targetMax) Adds another datum
void	decay(double decayMultiplier) Decays the currently recorded and ideal positions by decayMultiplier
static double	getPositionDelta(double percentile, int pos)
double	quantile()

Methods inherited from class java.lang.Object

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

Field Detail

percentile

public final double percentile

Constructor Detail

Quantile

public Quantile(double percentile)

Constructs a single quantile object

Method Detail

quantile

public double quantile()

Returns:

The current approximation of the configured quantile.

decay

public void decay(double decayMultiplier)

Decays the currently recorded and ideal positions by decayMultiplier

add

public void add(double item,
                double targetMin,
                double targetMax)

Adds another datum

getPositionDelta

public static double getPositionDelta(double percentile,
                                      int pos)