edu.udo.cs.miningmart.operator
Class Scaling

java.lang.Object
  extended byedu.udo.cs.miningmart.operator.ExecutableOperator
      extended byedu.udo.cs.miningmart.operator.FeatureConstruction
          extended byedu.udo.cs.miningmart.operator.Scaling
Direct Known Subclasses:
LinearScaling, LogScaling

public abstract class Scaling
extends FeatureConstruction

Version:
$Id: Scaling.java,v 1.4 2006/04/11 14:10:10 euler Exp $
Author:
Timm Euler

Constructor Summary
Scaling()
           
 
Method Summary
abstract  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

Scaling

public Scaling()
Method Detail

generateSQL

public abstract 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 a scaled column.
Throws:
M4CompilerError - A simple exception object with an error message.


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