fact.statistics

Class ArrayMean

java.lang.Object

fact.statistics.ArrayMean

All Implemented Interfaces:

stream.Processor

public class ArrayMean
extends Object
implements stream.Processor

This operator calculates the mean value of the values in 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
ArrayMean()

Method Summary

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

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

ArrayMean

public ArrayMean()

Method Detail

process

public stream.Data process(stream.Data input)

Specified by:

process in interface stream.Processor