edu.udo.cs.miningmart.operator
Class LogScaling

java.lang.Object
  extended byedu.udo.cs.miningmart.operator.ExecutableOperator
      extended byedu.udo.cs.miningmart.operator.FeatureConstruction
          extended byedu.udo.cs.miningmart.operator.Scaling
              extended byedu.udo.cs.miningmart.operator.LogScaling

public class LogScaling
extends Scaling

Version:
$Id: LogScaling.java,v 1.6 2006/04/11 14:10:12 euler Exp $
Author:
Timm Euler

Constructor Summary
LogScaling()
           
 
Method Summary
 java.lang.String generateSQL(Column targetAttributeColumn)
          Abstract method to be implemented by all subclasses.
 Value getLogBase()
           
 
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

LogScaling

public LogScaling()
Method Detail

getLogBase

public Value getLogBase()
                 throws M4CompilerError
Throws:
M4CompilerError

generateSQL

public java.lang.String generateSQL(Column targetAttributeColumn)
                             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 Scaling
Returns:
An SQL definition for a scaled column.
Throws:
M4CompilerError


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