com.rapidminer.operator
Interface ViewModel

All Superinterfaces:

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

All Known Implementing Classes:

AbstractNormalizationModel, Dictionary, DiscretizationModel, IQRNormalizationModel, MinMaxNormalizationModel, NoiseModel, NominalToBinominalModel, PreprocessingModel, ProportionNormalizationModel, ValueReplenishmentModel, ZTransformationModel

public interface ViewModel
extends Model

The view model is typically used for preprocessing models. With help of the ModelViewExampleSet one can create a new view of the data by applying the necessary transformations defined by this view model.

Author:

Sebastian Land

Method Summary

Attributes	getTargetAttributes(ExampleSet viewParent) This method has to return a legal Attributes object containing every Attribute, the view should contain
double	getValue(Attribute targetAttribute, double value) This method has to provide the attribute value mapping for the view.

Methods inherited from interface com.rapidminer.operator.Model

apply, getTrainingHeader, isUpdatable, setParameter, updateModel

Methods inherited from interface com.rapidminer.operator.ResultObject

getActions, getName, getResultIcon, toResultString

Methods inherited from interface com.rapidminer.operator.IOObject

appendOperatorToHistory, copy, getAnnotations, getLog, getProcessingHistory, getSource, setLoggingHandler, setSource, write

Methods inherited from interface com.rapidminer.report.Readable

isInTargetEncoding, toString

Method Detail

getTargetAttributes

Attributes getTargetAttributes(ExampleSet viewParent)

This method has to return a legal Attributes object containing every Attribute, the view should contain

Returns:

The attribute object

getValue

double getValue(Attribute targetAttribute,
                double value)

This method has to provide the attribute value mapping for the view. The views attributes will ask this method for their value.

Parameters:

targetAttribute - the attribute, which asks for his value

value - the value the source attribute had in original data

Returns:

the value the attribute should have in target view