edu.udo.cs.miningmart.operator
Class Discretization

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

Direct Known Subclasses:

ManualDiscretization

public abstract class Discretization

extends FeatureConstruction

The class Discretization is abstract class for the operators of type Discretization

Version:

$Id: Discretization.java,v 1.4 2006/04/11 14:10:12 euler Exp $

Author:

Martin Scholz

Constructor Summary

Discretization()

Method Summary

abstract java.lang.String

generateSQL(Column theTargetAttributeColumn) Generates a sql-function to describe a new column.

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

generateSQL

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

Generates a sql-function to describe a new column. This method is implemented in Discretization subclasses

Specified by:

generateSQL in class FeatureConstruction

Parameters:

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

Returns:

the SQL-function call

Throws:

M4CompilerError - A simple exception object with an error message.