fact.statistics

Class ArrayVariance

java.lang.Object

fact.statistics.ArrayVariance

All Implemented Interfaces:

stream.Processor

public class ArrayVariance
extends Object
implements stream.Processor

This operator calculates the rms of the array specified by the key

Author:

Kai Bruegge <kai.bruegge@tu-dortmund.de>

Field Summary

Fields

Modifier and Type	Field and Description
String	key
String	outputKey

Constructor Summary

Constructors

Constructor and Description
ArrayVariance()

Method Summary

Modifier and Type	Method and Description
stream.Data	process(stream.Data item)

Methods inherited from class java.lang.Object

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

Field Detail

key

@Parameter(required=true)
public String key

outputKey

@Parameter(required=true)
public String outputKey

Constructor Detail

ArrayVariance

public ArrayVariance()

Method Detail

process

public stream.Data process(stream.Data item)

Specified by:

process in interface stream.Processor