com.illumon.numerics.movingaverages

Class NeighborEmaArrayDifferencer

java.lang.Object

com.illumon.numerics.movingaverages.NeighborEmaArrayDifferencer

All Implemented Interfaces:

Serializable

public class NeighborEmaArrayDifferencer
extends Object
implements Serializable

Created by IntelliJ IDEA. User: dkent Date: Mar 28, 2008 Time: 1:01:12 PM

Computes the differences between values in an array of emas.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NeighborEmaArrayDifferencer(AbstractMa.Mode emaMode, double[] emaTimescales, boolean includeDifferenceWithCurrentValue) Constructs a new calculator.

Method Summary

Modifier and Type	Method and Description
double[]	getCurrent() Gets the current difference in the latest value and the emas.
double	getLastSample()
long	getLastTimestamp() Gets the last time the ema was updated.
void	processDouble(long timestamp, double data)
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

NeighborEmaArrayDifferencer

public NeighborEmaArrayDifferencer(AbstractMa.Mode emaMode,
                                   double[] emaTimescales,
                                   boolean includeDifferenceWithCurrentValue)

Constructs a new calculator.

Parameters:

emaMode - type of ema calculation.

emaTimescales - timescales for the ema.

includeDifferenceWithCurrentValue - true includes the difference between the latest input value and the first ema in the output results; false does not.

Method Detail

processDouble

public void processDouble(long timestamp,
                          double data)

getCurrent

public double[] getCurrent()

Gets the current difference in the latest value and the emas.

Returns:

current difference in the latest value and the emas.

reset

public void reset()

getLastTimestamp

public long getLastTimestamp()

Gets the last time the ema was updated.

Returns:

last time the ema was updated.

getLastSample

public double getLastSample()