com.planetj.taste.impl.common
Class FullRunningAverageAndStdDev

java.lang.Object
  com.planetj.taste.impl.common.FullRunningAverage
      com.planetj.taste.impl.common.FullRunningAverageAndStdDev

All Implemented Interfaces:

RunningAverage, RunningAverageAndStdDev, java.io.Serializable

public final class FullRunningAverageAndStdDev
extends FullRunningAverage
implements RunningAverageAndStdDev

Extends FullRunningAverage to add a running standard deviation computation.

Since:

1.5

Author:

Sean Owen

See Also:

Serialized Form

Constructor Summary

FullRunningAverageAndStdDev()

Method Summary

void	addDatum(double datum)
void	changeDatum(double delta)
double	getStandardDeviation()
void	removeDatum(double datum)
java.lang.String	toString()

Methods inherited from class com.planetj.taste.impl.common.FullRunningAverage

getAverage, getCount

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.planetj.taste.impl.common.RunningAverage

getAverage, getCount

Constructor Detail

FullRunningAverageAndStdDev

public FullRunningAverageAndStdDev()

Method Detail

getStandardDeviation

public double getStandardDeviation()

Specified by:

getStandardDeviation in interface RunningAverageAndStdDev

Returns:

standard deviation of data

addDatum

public void addDatum(double datum)

Specified by:

addDatum in interface RunningAverage

Overrides:

addDatum in class FullRunningAverage

Parameters:

datum - new item to add to the running average

removeDatum

public void removeDatum(double datum)

Specified by:

removeDatum in interface RunningAverage

Overrides:

removeDatum in class FullRunningAverage

Parameters:

datum - item to remove to the running average

changeDatum

public void changeDatum(double delta)

Specified by:

changeDatum in interface RunningAverage

Overrides:

changeDatum in class FullRunningAverage

Parameters:

delta - amount by which to change a datum in the running average

Throws:

java.lang.UnsupportedOperationException

toString

public java.lang.String toString()

Overrides:

toString in class FullRunningAverage