Uses of Class
weka.core.WekaException

Packages that use WekaException

Package	Description
weka.classifiers.trees
weka.core
weka.gui.knowledgeflow
weka.gui.knowledgeflow.steps
weka.knowledgeflow
weka.knowledgeflow.steps

Uses of WekaException in weka.classifiers.trees

Methods in weka.classifiers.trees that throw WekaException

Modifier and Type	Method	Description
double[]	RandomForest.computeAverageImpurityDecreasePerAttribute(double[] nodeCounts)	Computes the average impurity decrease per attribute over the trees

Uses of WekaException in weka.core

Subclasses of WekaException in weka.core

Modifier and Type	Class	Description
class	NoSupportForMissingValuesException	Exception that is raised by an object that is unable to process data with missing values.
class	UnsupportedAttributeTypeException	Exception that is raised by an object that is unable to process some of the attribute types it has been passed.
class	UnsupportedClassTypeException	Exception that is raised by an object that is unable to process the class type of the data it has been passed.

Methods in weka.core that throw WekaException

Modifier and Type	Method	Description
Map<String,int[]>[]	DictionaryBuilder.getDictionaries(boolean minFrequencyPrune)	Get the current dictionary(s) (one per class for nominal class, if set).

Uses of WekaException in weka.gui.knowledgeflow

Methods in weka.gui.knowledgeflow that throw WekaException

Modifier and Type	Method	Description
void	MainKFPerspective.copyFlowToClipboard(Flow flow)
void	MainKFPerspective.copyStepsToClipboard(List<StepVisual> steps)	Copy the supplied steps to the clipboard
void	VisibleLayout.executeFlow(boolean sequential)	Execute the flow managed by this layout
Flow	TemplateManager.getBuiltinTemplateFlow(String flowDescription)	Get the built-in template flow corresponding to the description
Flow	TemplateManager.getPluginTemplateFlow(String flowDescription)	Get the plugin template flow corresponding to the description
JComponent	StepVisual.getStepInteractiveViewComponent(String viewActionName)	Gets an instance of the named step interactive viewer component
Flow	TemplateManager.getTemplateFlow(String flowDescription)	Get the flow for the supplied description
void	StepInteractiveViewer.init()	Initialize this viewer.
abstract <T> T	AbstractGraphicalCommand.performCommand(Object... commandArgs)	Perform the command
List<String>	GetPerspectiveNamesGraphicalCommand.performCommand(Object... commandArgs)	Execute the command
<T> T	GraphicalEnvironmentCommandHandler.performCommand(String commandName, Object... commandArgs)	Attempt to perform a graphical command (if supported) in the current graphical environment
<T> T	KFGraphicalEnvironmentCommandHandler.performCommand(String commandName, Object... commandArgs)	Perform a command
Object	SendToPerspectiveGraphicalCommand.performCommand(Object... commandArgs)	Execute the command
static String	VisibleLayout.serializeStepsToJSON(List<StepVisual> steps, String name)	Utility method to serialize a list of steps (encapsulated in StepVisuals) to a JSON flow.

Uses of WekaException in weka.gui.knowledgeflow.steps

Methods in weka.gui.knowledgeflow.steps that throw WekaException

Modifier and Type	Method	Description
void	AttributeSummarizerInteractiveView.init()	Initialize the viewer - layout widgets etc.
void	BoundaryPlotterInteractiveView.init()	Initialize/layout the viewer
void	CostBenefitAnalysisInteractiveView.init()	Initialize and layout the viewer
void	DataVisualizerInteractiveView.init()	Initialize and layout the viewer
void	GraphViewerInteractiveView.init()	Initializes the viewer
void	ImageViewerInteractiveView.init()	Initialize the viewer and the layout
void	ModelPerformanceChartInteractiveView.init()	Initialize and layout the viewer
void	ScatterPlotMatrixInteractiveView.init()	Initialize the viewer

Uses of WekaException in weka.knowledgeflow

Methods in weka.knowledgeflow that throw WekaException

Modifier and Type	Method	Description
Flow	Flow.copyFlow()	Make a copy of this Flow
boolean	StepOutputListener.dataFromStep(Data data)	Process data produced by a knowledge flow step
Step	StepInjectorFlowRunner.findStep(String stepName, Class stepClass)	Find a step in the flow
static String	JSONFlowUtils.flowToJSON(Flow flow)	Utility routine to serialize a supplied flow to a JSON string
static FlowLoader	Flow.getFlowLoader(String flowFileExtension, Logger log)	Utility method to get a FlowLoader implementation suitable for loading a flow with the supplied file extension.
Instances	StepManager.getIncomingStructureForConnectionType(String connectionName)	Attempt to retrieve the structure (as a header-only set of instances) for the named incoming connection type.
Instances	StepManager.getIncomingStructureForConnectionType(String connectionName, Environment env)	Attempt to retrieve the structure (as a header-only set of instances) for the named incoming connection type.
Instances	StepManagerImpl.getIncomingStructureForConnectionType(String connectionName)	Attempt to get the incoming structure (as a header-only set of instances) for the named incoming connection type.
Instances	StepManagerImpl.getIncomingStructureForConnectionType(String connectionName, Environment env)	Attempt to retrieve the structure (as a header-only set of instances) for the named incoming connection type.
Instances	StepManager.getIncomingStructureFromStep(StepManager sourceStep, String connectionName)	Attempt to get the incoming structure (as a header-only set of instances) from the given managed step for the given connection type.
Instances	StepManagerImpl.getIncomingStructureFromStep(StepManager sourceStep, String connectionName)	Attempt to get the incoming structure (as a header-only set of instances) from the given managed step for the given connection type.
Step	StepManager.getInfoStep()	Returns a reference to the step being managed if it has one or more outgoing CON_INFO connections.
Step	StepManager.getInfoStep(Class stepClass)	Returns a reference to the step being managed if it has one or more outgoing CON_INFO connections and the managed step is of the supplied class
Step	StepManagerImpl.getInfoStep()	Returns a reference to the step being managed if it has one or more outgoing CON_INFO connections.
Step	StepManagerImpl.getInfoStep(Class stepClass)	Returns a reference to the step being managed if it has one or more outgoing CON_INFO connections and the managed step is of the supplied class
boolean	Flow.initFlow(FlowExecutor executor)	Initialize the flow by setting the execution environment and calling the init() method of each step
void	StepInjectorFlowRunner.injectStreaming(Data toInject, Step target, boolean lastData)	Inject streaming data into the target step in the flow
void	StepInjectorFlowRunner.injectWithExecutionFinishedCallback(Data toInject, ExecutionFinishedCallback callback, Step target)	Inject data into the flow
static Flow	Flow.JSONToFlow(String flowJSON)	Parse a Flow from the supplied JSON string
static Flow	Flow.JSONToFlow(String flowJSON, boolean dontComplainAboutMissingConnections)	Parse a Flow from the supplied JSON string
static Flow	JSONFlowUtils.JSONToFlow(String flowJSON, boolean dontComplainAboutMissingConnections)	Utility routine to deserialize a flow from the supplied JSON string
static Flow	Flow.loadFlow(File flowFile, Logger log)	Utility method to load a flow from a file
static Flow	Flow.loadFlow(InputStream is, FlowLoader loader)	Utility method to load a flow from the supplied input stream using the supplied FlowLoader
static Flow	Flow.loadFlow(Reader r, FlowLoader loader)	Utility method to load a flow from the supplied reader using the supplied FlowLoader
void	StepManager.outputData(String outgoingConnectionName, String stepName, Data data)	Output a single Data object to the named step with the supplied outgoing connection type
void	StepManager.outputData(String outgoingConnectionName, Data data)	Output data to all steps connected with the supplied outgoing connection type.
void	StepManager.outputData(Data... data)	Output one or more Data objects to all relevant steps.
void	StepManagerImpl.outputData(String outgoingConnectionName, String stepName, Data data)	Outputs the supplied Data object to the named Step.
void	StepManagerImpl.outputData(String outgoingConnectionName, Data data)	Output a Data object to all downstream connected Steps that are connected with the supplied connection name.
void	StepManagerImpl.outputData(Data... data)	Output one or more Data objects to all relevant steps.
Flow	FlowLoader.readFlow(File flowFile)	Load a flow from the supplied file
Flow	FlowLoader.readFlow(InputStream is)	Load a flow from the supplied input stream
Flow	FlowLoader.readFlow(Reader r)	Load a flow from the supplied reader
Flow	JSONFlowLoader.readFlow(File flowFile)	Read the flow from the supplied file
Flow	JSONFlowLoader.readFlow(InputStream is)	Read the flow from the supplied input stream
Flow	JSONFlowLoader.readFlow(Reader r)	Read the flow from the supplied reader
static Flow	JSONFlowUtils.readFlow(File file)	Read a flow from the supplied file
static Flow	JSONFlowUtils.readFlow(File file, boolean dontComplainAboutMissingConnections)	Read a flow from the supplied file
static Flow	JSONFlowUtils.readFlow(InputStream is)	Read a Flow from the supplied input stream
static Flow	JSONFlowUtils.readFlow(InputStream is, boolean dontComplainAboutMissingConnections)	Read a Flow from the supplied input stream
static Flow	JSONFlowUtils.readFlow(Reader sr)	Read a flow from the supplied reader
static Flow	JSONFlowUtils.readFlow(Reader sr, boolean dontComplainAboutMissingConnections)	Read a flow from the supplied reader
Flow	LegacyFlowLoader.readFlow(File flowFile)	Deserialize a legacy flow from the supplied file
Flow	LegacyFlowLoader.readFlow(InputStream is)	Deserialize a legacy flow from the supplied input stream
Flow	LegacyFlowLoader.readFlow(Reader r)	Deserialize a legacy flow from the supplied reader
void	Flow.removeStep(StepManagerImpl manager)	Remove the supplied Step from this flow
void	Flow.renameStep(String oldName, String newName)	Rename a Step.
void	Flow.renameStep(StepManagerImpl step, String newName)	Rename the supplied step with the supplied name
void	FlowRunner.run()	Execute the flow
void	FlowExecutor.runParallel()	Run the flow by launching all start points in parallel
void	FlowRunner.runParallel()	Run the flow by launching start points in parallel
void	FlowExecutor.runSequentially()	Run the flow sequentially (i.e.
void	FlowRunner.runSequentially()	Run the flow by launching start points sequentially.
void	Flow.saveFlow(File file)	Save this Flow to the supplied File
<T> Future<ExecutionResult<T>>	BaseExecutionEnvironment.submitTask(StepTask<T> stepTask)	Submit a task to be run by the execution environment.
<T> Future<ExecutionResult<T>>	ExecutionEnvironment.submitTask(StepTask<T> callable)	Submit a task to be run by the execution environment.
void	StepManager.throughputFinished(Data... data)	Signal that throughput measurement has finished.
void	StepManagerImpl.throughputFinished(Data... data)	Clients can use this to indicate that throughput measuring is finished (i.e.
String	Flow.toJSON()	Return the JSON encoded version of this Flow
static void	JSONFlowUtils.writeFlow(Flow flow, File file)	Serializes the supplied flow to JSON and writes it out to the supplied file
static void	JSONFlowUtils.writeFlow(Flow flow, OutputStream os)	Serializes the supplied flow to JSON and writes out using the supplied output stream
static void	JSONFlowUtils.writeFlow(Flow flow, Writer writer)	Serializes the supplied flow to JSON and writes out using the supplied writer

Uses of WekaException in weka.knowledgeflow.steps

Methods in weka.knowledgeflow.steps that throw WekaException

Modifier and Type	Method	Description
Instances	Join.getFirstInputStructure()	Get the Instances structure being produced by the first input
Instances	Join.getSecondInputStructure()	Get the Instances structure being produced by the second input
Instances	Appender.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	Associator.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	BaseStep.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	BaseStep.outputStructureForConnectionType(String connectionName, Environment env)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	ClassAssigner.outputStructureForConnectionType(String connectionName)	Return the structure of data output by this step for a given incoming connection type
Instances	ClassValuePicker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	CrossValidationFoldMaker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	DataGenerator.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	DataGrid.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	ExecuteProcess.outputStructureForConnectionType(String connectionName)	Get, if possible, the outgoing instance structure for the supplied incoming connection type
Instances	Filter.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	FlowByExpression.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	InstanceStreamToBatchMaker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	Loader.outputStructureForConnectionType(String connectionName, Environment env)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	SetVariables.outputStructureForConnectionType(String connectionName)
Instances	Step.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	Step.outputStructureForConnectionType(String connectionName, Environment env)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	SubstringLabeler.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	SubstringReplacer.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	TestSetMaker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	TrainingSetMaker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
Instances	TrainTestSplitMaker.outputStructureForConnectionType(String connectionName)	If possible, get the output structure for the named connection type as a header-only set of instances.
void	PairedDataHelper.process(Data data)	Initiate routing and processing for a particular data object
void	AlterRelationName.processIncoming(Data data)	Process incoming data
void	Appender.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	ASEvaluator.processIncoming(Data data)	Process an incoming Data object
void	Associator.processIncoming(Data data)	Processes incoming data
void	BaseSimpleDataVisualizer.processIncoming(Data data)	Process incoming data
void	BaseStep.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	BaseStepExtender.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections).
void	Block.processIncoming(Data data)	Process incoming data
void	BoundaryPlotter.processIncoming(Data data)
void	ClassAssigner.processIncoming(Data data)	Process incoming data
void	Classifier.processIncoming(Data data)
void	ClassifierPerformanceEvaluator.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	ClassValuePicker.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	Clusterer.processIncoming(Data data)	Process an incoming data object
void	ClustererPerformanceEvaluator.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	CrossValidationFoldMaker.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	DataVisualizer.processIncoming(Data data)
void	ExecuteProcess.processIncoming(Data data)	Process an incoming Data object
void	Filter.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	FlowByExpression.processIncoming(Data data)	Main processing routine
void	GetDataFromResult.processIncoming(Data data)
void	GraphViewer.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	ImageSaver.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	ImageViewer.processIncoming(Data data)	Process incoming image data
void	IncrementalClassifierEvaluator.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	InstanceStreamToBatchMaker.processIncoming(Data data)	Process incoming data
void	Job.processIncoming(Data data)
void	Join.processIncoming(Data data)	Process some incoming data
void	MakeResourceIntensive.processIncoming(Data data)	Process incoming data
void	ModelPerformanceChart.processIncoming(Data data)	Process incoming data
void	PredictionAppender.processIncoming(Data data)	Process incoming data
void	Saver.processIncoming(Data data)	Processes incoming data
void	SendToPerspective.processIncoming(Data data)
void	SerializedModelSaver.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	SetVariables.processIncoming(Data data)
void	Sorter.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	Step.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	StorePropertiesInEnvironment.processIncoming(Data data)
void	StripChart.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	SubstringLabeler.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	SubstringReplacer.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	TestSetMaker.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	TextSaver.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	TextViewer.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	TrainingSetMaker.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	TrainTestSplitMaker.processIncoming(Data data)	Process an incoming data payload (if the step accepts incoming connections)
void	WriteDataToResult.processIncoming(Data data)
void	WriteWekaLog.processIncoming(Data data)	Process an incoming piece of data
Classifier	Classifier.processPrimary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<Classifier> helper)	Process a training split (primary data handled by the PairedDataHelper)
Clusterer	Clusterer.processPrimary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<Clusterer> helper)	Process a training split (primary data handled by the PairedDataHelper)
P	PairedDataHelper.PairedProcessor.processPrimary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<P> helper)
void	Classifier.processSecondary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<Classifier> helper)	Process a test split/fold (secondary data handled by PairedDataHelper)
void	Clusterer.processSecondary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<Clusterer> helper)	Process a test split/fold (secondary data handled by PairedDataHelper)
void	PairedDataHelper.PairedProcessor.processSecondary(Integer setNum, Integer maxSetNum, Data data, PairedDataHelper<P> helper)
void	BaseSimpleDataVisualizer.restoreData(Object data)
void	BoundaryPlotter.restoreData(Object data)	Set a map of images.
void	DataCollector.restoreData(Object data)	Set the data for this collector
void	DataVisualizer.restoreData(Object data)
void	ImageViewer.restoreData(Object data)	Restore data for this step.
void	ModelPerformanceChart.restoreData(Object data)	Restore the data (plots) for this step
void	BaseStep.start()	Start processing.
void	BaseStepExtender.start()	Start executing (if this component is a start point).
void	DataGenerator.start()	Start the data generation process.
void	DataGrid.start()	Start processing
void	ExecuteProcess.start()	Start processing if operating as a start point in a flow
void	GetDataFromResult.start()
void	Job.start()
void	Loader.start()	Start executing
void	MemoryBasedDataSource.start()	Start processing
void	Step.start()	Start executing (if this component is a start point)
void	AlterRelationName.stepInit()	Initialize the step
void	Appender.stepInit()	Initialize the step
void	ASEvaluator.stepInit()	Initialize at the start of a run
void	Associator.stepInit()	Initializes the step
void	BaseSimpleDataVisualizer.stepInit()
void	BaseStepExtender.stepInit()	Initialize the step.
void	Block.stepInit()	Initialize the step
void	BoundaryPlotter.stepInit()	Initialize the step.
void	ClassAssigner.stepInit()	Initialize the step prior to execution
void	Classifier.stepInit()
void	ClassifierPerformanceEvaluator.stepInit()
void	ClassValuePicker.stepInit()	Initialize the step.
void	Clusterer.stepInit()	Initialize the step
void	CrossValidationFoldMaker.stepInit()	Initialize the step.
void	DataGrid.stepInit()	Initialize the step;
void	DataVisualizer.stepInit()
void	Dummy.stepInit()	Initialize the step.
void	ExecuteProcess.stepInit()	Initialize the step
void	Filter.stepInit()	Initialize the step.
void	FlowByExpression.stepInit()	Initialize the step.
void	GetDataFromResult.stepInit()
void	ImageSaver.stepInit()	Initialize the step.
void	IncrementalClassifierEvaluator.stepInit()	Initialize the step.
void	InstanceStreamToBatchMaker.stepInit()	Initialize the step.
void	Job.stepInit()
void	Join.stepInit()	Initialize the step
void	Loader.stepInit()	Initialize the step.
void	MakeResourceIntensive.stepInit()	Initialize the step
void	MemoryBasedDataSource.stepInit()	Initialize the step
void	ModelPerformanceChart.stepInit()	Initialize the step
void	PredictionAppender.stepInit()	Initialize the step
void	Saver.stepInit()	Initialize the step
void	SendToPerspective.stepInit()
void	SetPropertiesFromEnvironment.stepInit()	Initialize the step.
void	SetVariables.stepInit()	Initialize the step.
void	Sorter.stepInit()	Initialize the step.
void	Step.stepInit()	Initialize the step.
void	StorePropertiesInEnvironment.stepInit()
void	StripChart.stepInit()
void	SubstringLabeler.stepInit()	Initialize the step
void	SubstringReplacer.stepInit()	Initialize the step
void	TextSaver.stepInit()	Initialize the step
void	TrainTestSplitMaker.stepInit()	Initialize the step
void	WriteDataToResult.stepInit()
void	WriteWekaLog.stepInit()	Initialize the step