edu.udo.cs.miningmart.operator.uep
Class Discretization

java.lang.Object
  edu.udo.cs.miningmart.operator.ExecutableOperator
      edu.udo.cs.miningmart.operator.FeatureConstruction
          edu.udo.cs.miningmart.operator.uep.Discretization

Direct Known Subclasses:

EquidistantDiscretizationGivenNoOfIntervals, EquidistantDiscretizationGivenWidth, EquifrequentDiscretizationGivenCardinality, EquifrequentDiscretizationGivenNoOfIntervals, ErrorBasedDiscretizationGivenMinCardinality, ErrorBasedDiscretizationGivenNoOfIntervals, ImplicitErrorBasedDiscretization, UserDefinedDiscretization

public abstract class Discretization

extends FeatureConstruction

M4 Compiler

Copyright: Copyright (c) 2002

Company: University Dortmund

Version:

$Id: Discretization.java,v 1.6 2006/04/11 14:10:18 euler Exp $

Author:

Felix Koschin

Constructor Summary

Discretization()

Method Summary

java.lang.String[]	generateLabels(int num)
java.lang.String	generateSQL(Column theTargetAttributeColumn) Abstract method to be implemented by all subclasses.

Methods inherited from class edu.udo.cs.miningmart.operator.FeatureConstruction

compileStatement, createStatement, estimateStatistics, execute, generateColumnForOp, getCurrentLoopNumber, getTheInputConcept, getTheOutputAttribute, getTheOutputAttribute, getTheTargetAttribute, getTheTargetAttribute, load, writeResults

Methods inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator

autoPrint, checkConditions, doPrint, doPrint, executeBusinessSingleValueSqlRead, executeBusinessSingleValueSqlReadL, executeBusinessSqlRead, executeBusinessSqlWrite, executeM4SingleValueSqlRead, executeM4SingleValueSqlReadL, executeM4SqlRead, executeM4SqlWrite, getArtificalColumnName, getBusinessDbms, getHighestLoopNr, getM4Db, getM4Dbms, getM4ObjectFromCache, getName, getNextM4SequenceValue, getNumberOfLoops, getOperator, getOpParamsIterator, getParameter, getParameter, getSingleParameter, getSingleParameter, getStep, handleAssertions, isDeselectedParameter, isLoopable, isManual, isStepable, print, putM4ObjectToCache, showCreateStatement, storedProceduresAvailable

Methods inherited from class java.lang.Object

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

Constructor Detail

Discretization

public Discretization()

Method Detail

generateLabels

public java.lang.String[] generateLabels(int num)
                                  throws M4CompilerError

Throws:

M4CompilerError

generateSQL

public java.lang.String generateSQL(Column theTargetAttributeColumn)
                             throws M4CompilerError

Description copied from class: FeatureConstruction

Abstract method to be implemented by all subclasses. In this method the SQL definition for the Column which this operator creates is created.

Specified by:

generateSQL in class FeatureConstruction

Parameters:

theTargetAttributeColumn - The Column to which this FeatureConstruction Operator is applied. Some subclasses may ignore this parameter.

Returns:

An SQL definition for the newly constructed Column.

Throws:

M4CompilerError - A simple exception object with an error message.