Package weka.knowledgeflow.steps

Class PredictionAppender

java.lang.Object

weka.knowledgeflow.steps.BaseStep

weka.knowledgeflow.steps.PredictionAppender

All Implemented Interfaces:

Serializable, BaseStepExtender, Step

@KFStep(name="PredictionAppender",
        category="Evaluation",
        toolTipText="Append predictions from classifiers or clusterers to incoming data ",
        iconPath="weka/gui/knowledgeflow/icons/PredictionAppender.gif")
public class PredictionAppender
extends BaseStep

Step that can produce data with predictions appended from batch or incremental classifiers and clusterers

Version:

$Revision: $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
PredictionAppender()

Method Summary

Modifier and Type	Method	Description
boolean	getAppendProbabilities()	Get whether to append probability distributions rather than predicted classes
List<String>	getIncomingConnectionTypes()	Get the incoming connection types that this step accepts
List<String>	getOutgoingConnectionTypes()	Get a list of outgoing connection types that this step can produce at this time
void	processIncoming(Data data)	Process incoming data
void	setAppendProbabilities(boolean append)	Set whether to append probability distributions rather than predicted classes
void	stepInit()	Initialize the step

Methods inherited from class weka.knowledgeflow.steps.BaseStep

environmentSubstitute, getCustomEditorForStep, getDefaultSettings, getInteractiveViewers, getInteractiveViewersImpls, getName, getStepManager, globalInfo, isResourceIntensive, isStopRequested, outputStructureForConnectionType, outputStructureForConnectionType, setName, setStepIsResourceIntensive, setStepManager, setStepMustRunSingleThreaded, start, stepMustRunSingleThreaded, stop

Methods inherited from class java.lang.Object

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

Constructor Details

PredictionAppender

public PredictionAppender()

Method Details

stepInit

public void stepInit()
              throws WekaException

Initialize the step

Throws:

WekaException - if a problem occurs

getIncomingConnectionTypes

public List<String> getIncomingConnectionTypes()

Get the incoming connection types that this step accepts

Returns:

a list of acceptable incoming connection types

getOutgoingConnectionTypes

public List<String> getOutgoingConnectionTypes()

Get a list of outgoing connection types that this step can produce at this time

Returns:

a list of outgoing connection types

processIncoming

public void processIncoming(Data data)
                     throws WekaException

Process incoming data

Specified by:

processIncoming in interface BaseStepExtender

Specified by:

processIncoming in interface Step

Overrides:

processIncoming in class BaseStep

Parameters:

data - the Data object to process

Throws:

WekaException - if a problem occurs

setAppendProbabilities

public void setAppendProbabilities(boolean append)

Set whether to append probability distributions rather than predicted classes

Parameters:

append - true to append probability distributions

getAppendProbabilities

@OptionMetadata(displayName="Append probabilities",
                description="Append probabilities")
public boolean getAppendProbabilities()

Get whether to append probability distributions rather than predicted classes

Returns:

true if probability distributions are to be appended