org.conqat.lib.commons.math

Class MeanAggregator

java.lang.Object

org.conqat.lib.commons.math.MeanAggregator

All Implemented Interfaces:

IAggregator

public class MeanAggregator
extends java.lang.Object
implements IAggregator

Average aggregator.

Author:

deissenb

Constructor Summary

Constructors

Constructor and Description
MeanAggregator()

Method Summary

Modifier and Type	Method and Description
double	aggregate(java.util.Collection<? extends java.lang.Number> values) Aggregates by finding the average value
double	getNeutralElement() Returns Double.NaN.

Methods inherited from class java.lang.Object

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

Constructor Detail

MeanAggregator

public MeanAggregator()

Method Detail

aggregate

public double aggregate(java.util.Collection<? extends java.lang.Number> values)

Aggregates by finding the average value

Specified by:

aggregate in interface IAggregator

Returns:

Double.NaN for empty input collection

getNeutralElement

public double getNeutralElement()

Returns Double.NaN.

Specified by:

getNeutralElement in interface IAggregator