weka.knowledgeflow.steps

Class AttributeSummarizer

java.lang.Object

weka.knowledgeflow.steps.BaseStep

weka.knowledgeflow.steps.BaseSimpleDataVisualizer

weka.knowledgeflow.steps.AttributeSummarizer

All Implemented Interfaces:

Serializable, BaseStepExtender, DataCollector, Step

@KFStep(name="AttributeSummarizer",
        category="Visualization",
        toolTipText="Visualize datasets in a matrix of histograms",
        iconPath="weka/gui/knowledgeflow/icons/AttributeSummarizer.gif")
public class AttributeSummarizer
extends BaseSimpleDataVisualizer

Step that collects data to display in a summary overview of attribute distributions

Version:

$Revision: $

Author:

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AttributeSummarizer()

Method Summary

Modifier and Type	Method and Description
String	getCustomEditorForStep() Get the fully qualified class name of the custom editor for this step
Map<String,String>	getInteractiveViewers() Get a map of popup viewers that can be used with this step
String	getOffscreenAdditionalOpts() Get the additional options for the offscreen renderer
String	getOffscreenHeight() Get the height (in pixels) of the offscreen image to generate
String	getOffscreenRendererName() Get the name of the renderer to use for offscreen chart rendering operations
String	getOffscreenWidth() Get the width (in pixels) of the offscreen image to generate.
String	getOffscreenXAxis() Get the name of the attribute for the x-axis in offscreen plots
List<String>	getOutgoingConnectionTypes() Get a list of outgoing connections that this step can produce at this time
void	processIncoming(Data data) Process incoming data
void	setOffscreenAdditionalOpts(String additional) Set the additional options for the offscreen renderer
void	setOffscreenHeight(String height) Set the height (in pixels) of the offscreen image to generate
void	setOffscreenRendererName(String rendererName) Set the name of the renderer to use for offscreen chart rendering operations
void	setOffscreenWidth(String width) Set the width (in pixels) of the offscreen image to generate.
void	setOffscreenXAxis(String xAxis) Set the name of the attribute for the x-axis in offscreen plots.

Methods inherited from class weka.knowledgeflow.steps.BaseSimpleDataVisualizer

getDatasets, getIncomingConnectionTypes, restoreData, retrieveData, stepInit

Methods inherited from class weka.knowledgeflow.steps.BaseStep

environmentSubstitute, getDefaultSettings, getInteractiveViewersImpls, getName, getStepManager, globalInfo, isResourceIntensive, isStopRequested, outputStructureForConnectionType, setName, setStepIsResourceIntensive, setStepManager, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeSummarizer

public AttributeSummarizer()

Method Detail

setOffscreenXAxis

@OptionMetadata(displayName="X-axis attribute",
                description="Attribute name or /first, /last or /<index>",
                displayOrder=1)
public void setOffscreenXAxis(String xAxis)

Set the name of the attribute for the x-axis in offscreen plots. This defaults to "False Positive Rate" for threshold curves if not specified.

Parameters:

xAxis - the name of the xAxis

getOffscreenXAxis

public String getOffscreenXAxis()

Get the name of the attribute for the x-axis in offscreen plots

Returns:

the name of the xAxis

setOffscreenWidth

@OptionMetadata(displayName="Chart width (pixels)",
                description="Width of the rendered chart",
                displayOrder=2)
public void setOffscreenWidth(String width)

Set the width (in pixels) of the offscreen image to generate.

Parameters:

width - the width in pixels.

getOffscreenWidth

public String getOffscreenWidth()

Get the width (in pixels) of the offscreen image to generate.

Returns:

the width in pixels.

setOffscreenHeight

@OptionMetadata(displayName="Chart height (pixels)",
                description="Height of the rendered chart",
                displayOrder=3)
public void setOffscreenHeight(String height)

Set the height (in pixels) of the offscreen image to generate

Parameters:

height - the height in pixels

getOffscreenHeight

public String getOffscreenHeight()

Get the height (in pixels) of the offscreen image to generate

Returns:

the height in pixels

setOffscreenRendererName

@ProgrammaticProperty
public void setOffscreenRendererName(String rendererName)

Set the name of the renderer to use for offscreen chart rendering operations

Parameters:

rendererName - the name of the renderer to use

getOffscreenRendererName

public String getOffscreenRendererName()

Get the name of the renderer to use for offscreen chart rendering operations

Returns:

the name of the renderer to use

setOffscreenAdditionalOpts

@ProgrammaticProperty
public void setOffscreenAdditionalOpts(String additional)

Set the additional options for the offscreen renderer

Parameters:

additional - additional options

getOffscreenAdditionalOpts

public String getOffscreenAdditionalOpts()

Get the additional options for the offscreen renderer

Returns:

the additional options

processIncoming

public void processIncoming(Data data)

Process incoming data

Specified by:

processIncoming in interface BaseStepExtender

Specified by:

processIncoming in interface Step

Overrides:

processIncoming in class BaseSimpleDataVisualizer

Parameters:

data - the data to process

getInteractiveViewers

public Map<String,String> getInteractiveViewers()

Get a map of popup viewers that can be used with this step

Specified by:

getInteractiveViewers in interface Step

Overrides:

getInteractiveViewers in class BaseStep

Returns:

a map of popup viewers

getOutgoingConnectionTypes

public List<String> getOutgoingConnectionTypes()

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

Specified by:

getOutgoingConnectionTypes in interface BaseStepExtender

Specified by:

getOutgoingConnectionTypes in interface Step

Overrides:

getOutgoingConnectionTypes in class BaseSimpleDataVisualizer

Returns:

a list of outgoing connection types

getCustomEditorForStep

public String getCustomEditorForStep()

Get the fully qualified class name of the custom editor for this step

Specified by:

getCustomEditorForStep in interface Step

Overrides:

getCustomEditorForStep in class BaseStep

Returns:

the class name of the custom editor for this step