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## edu.udo.cs.miningmart.operator
Class EvaluateAdvantageOfTFIDFTransformation

    java.lang.Object
      edu.udo.cs.miningmart.operator.ExecutableOperator
          edu.udo.cs.miningmart.operator.EvaluateAdvantageOfTFIDFTransformation

    public class EvaluateAdvantageOfTFIDFTransformation

extends ExecutableOperator

Version:
  $Id: EvaluateAdvantageOfTFIDFTransformation.java,v 1.9 2006/10/02 12:39:55 euler Exp $
Author:
  Hanna Koepcke

Field Summary

Fields inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator
`generatedSQLDefinitions`

Constructor Summary
`EvaluateAdvantageOfTFIDFTransformation()`

Method Summary
`void` | `compileStatement()` Abstract method for compiling the generated sql-statement.
`void` | `createStatement(boolean lazy)` Abstract method for generating an sql-statement.
`Concept` | `getInputConcept()` Gets the input Concept.
`BaseAttribute` | `getTheKey()` Parameter getter.
`protected Feature[]` | `getTheSelectedAttributes()` Getter method for the parameter "TheSelectedAttributes".
`BaseAttribute` | `getTheTimeStamp()` Parameter getter.
`void` | `writeResults()`

Methods inherited from class edu.udo.cs.miningmart.operator.ExecutableOperator
`autoPrint, checkConditions, doPrint, doPrint, execute, executeBusinessSingleValueSqlRead, executeBusinessSingleValueSqlReadL, executeBusinessSqlRead, executeBusinessSqlWrite, executeM4SingleValueSqlRead, executeM4SingleValueSqlReadL, executeM4SqlRead, executeM4SqlWrite, getArtificalColumnName, getBusinessDbms, getHighestLoopNr, getM4Db, getM4Dbms, getM4ObjectFromCache, getName, getNextM4SequenceValue, getNumberOfLoops, getOperator, getOpParamsIterator, getParameter, getParameter, getParameterObjectsOfAllLoops, getSingleParameter, getSingleParameter, getStep, giveWarningForChangedInputData, handleAssertions, isDeselectedParameter, isLoopable, isManual, isStepable, load, print, putM4ObjectToCache, showCreateStatement, storedProceduresAvailable`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### EvaluateAdvantageOfTFIDFTransformation

    public EvaluateAdvantageOfTFIDFTransformation()

Method Detail

### createStatement

    public void createStatement(boolean lazy)
                         throws java.sql.SQLException,
                                M4CompilerError

  Description copied from class: `ExecutableOperator`
  Abstract method for generating an sql-statement. This method handles the process of generating an sql-statement for an operator. The implementation is done individually by every operator.

  Specified by:
    `createStatement` in class `ExecutableOperator`
  Parameters:
    `lazy` - If TRUE, run in lazy mode: create atmost one output ColumnSet
  Throws:
    `java.sql.SQLException`
    `M4CompilerError`

### compileStatement

    public void compileStatement()
                          throws java.sql.SQLException,
                                 M4CompilerError

  Description copied from class: `ExecutableOperator`
  Abstract method for compiling the generated sql-statement. This method tests if the generated sql-statement is executable in the database. The implementation is done individually by every operator.

  Specified by:
    `compileStatement` in class `ExecutableOperator`
  Throws:
    `java.sql.SQLException`
    `M4CompilerError`
  See Also:
    `ExecutableOperator.compileStatement()`

### writeResults

    public void writeResults()
                      throws java.sql.SQLException,
                             M4CompilerError

  Throws:
    `java.sql.SQLException`
    `M4CompilerError`
  See Also:
    `edu.udo.cs.miningmart.operator.ExecutableOperator#writeResults()`

### getInputConcept

    public Concept getInputConcept()
                            throws M4CompilerError

  Gets the input Concept.

  Returns:
    Returns a Concept
  Throws:
    `M4CompilerError`

### getTheTimeStamp

    public BaseAttribute getTheTimeStamp()
                                  throws M4CompilerError

  Parameter getter.

  Throws:
    `M4CompilerError`

### getTheKey

    public BaseAttribute getTheKey()
                            throws M4CompilerError

  Parameter getter.

  Throws:
    `M4CompilerError`

### getTheSelectedAttributes

    protected Feature[] getTheSelectedAttributes()
                                          throws M4CompilerError

  Getter method for the parameter "TheSelectedAttributes". This parameter specifies the set of features for which TFIDF should be computed.

  Returns:
    an array of Feature objects
  Throws:
    `M4CompilerError`

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