com.rapidminer.operator.learner.lazy
Class DefaultModel

java.lang.Object
  com.rapidminer.operator.AbstractIOObject
      com.rapidminer.operator.ResultObjectAdapter
          com.rapidminer.operator.AbstractModel
              com.rapidminer.operator.learner.PredictionModel
                  com.rapidminer.operator.learner.lazy.DefaultModel

All Implemented Interfaces:

IOObject, Model, ResultObject, Saveable, Readable, Reportable, LoggingHandler, java.io.Serializable

public class DefaultModel
extends PredictionModel

The default model sets the prediction of all examples to the mode value in case of nominal labels and to the average value in case of numerical labels.

Author:

Stefan Rueping, Ingo Mierswa

See Also:

Serialized Form

Constructor Summary

DefaultModel(ExampleSet exampleSet, double value)
Can be used to create a default model for regression tasks.

DefaultModel(ExampleSet exampleSet, double value, double[] confidences)
Can be used to create a default model for classification tasks (confidence values should not be null in this case).

Method Summary

ExampleSet	performPrediction(ExampleSet exampleSet, Attribute predictedLabelAttribute) Iterates over all examples and applies the model to them.
java.lang.String	toString()

Methods inherited from class com.rapidminer.operator.learner.PredictionModel

apply, checkCompatibility, copyPredictedLabel, createPredictedLabel, getLabel, removePredictedLabel, removePredictedLabel

Methods inherited from class com.rapidminer.operator.AbstractModel

getExtension, getFileDescription, getName, getResultIcon, getTrainingHeader, isUpdatable, setParameter, updateModel

Methods inherited from class com.rapidminer.operator.ResultObjectAdapter

addAction, getActions, getVisualizationComponent, isSavable, log, logError, logNote, logWarning, save, toHTML, toResultString

Methods inherited from class com.rapidminer.operator.AbstractIOObject

copy, getLog, getSource, initWriting, read, setLoggingHandler, setSource, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.rapidminer.operator.ResultObject

getActions, getVisualizationComponent, toResultString

Methods inherited from interface com.rapidminer.operator.IOObject

copy, getLog, getSource, setLoggingHandler, setSource, write

Methods inherited from interface com.rapidminer.operator.Saveable

isSavable, save

Constructor Detail

DefaultModel

public DefaultModel(ExampleSet exampleSet,
                    double value)

Can be used to create a default model for regression tasks.

DefaultModel

public DefaultModel(ExampleSet exampleSet,
                    double value,
                    double[] confidences)

Can be used to create a default model for classification tasks (confidence values should not be null in this case).

Method Detail

performPrediction

public ExampleSet performPrediction(ExampleSet exampleSet,
                                    Attribute predictedLabelAttribute)
                             throws OperatorException

Iterates over all examples and applies the model to them.

Specified by:

performPrediction in class PredictionModel

Throws:

OperatorException

toString

public java.lang.String toString()

Specified by:

toString in interface Readable

Overrides:

toString in class PredictionModel