All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home

Class weka.attributeSelection.ConsistencySubsetEval

java.lang.Object
   |
   +----weka.attributeSelection.ASEvaluation
           |
           +----weka.attributeSelection.SubsetEvaluator
                   |
                   +----weka.attributeSelection.ConsistencySubsetEval

public class ConsistencySubsetEval
extends SubsetEvaluator
Consistency attribute subset evaluator.

For more information see:
Liu, H., and Setiono, R., (1996). A probabilistic approach to feature selection - A filter solution. In 13th International Conference on Machine Learning (ICML'96), July 1996, pp. 319-327. Bari, Italy.

Author:
Mark Hall (mhall@cs.waikato.ac.nz)

Constructor Index

 o ConsistencySubsetEval()
Constructor.

Method Index

 o buildEvaluator(Instances)
Generates a attribute evaluator.
 o evaluateSubset(BitSet)
Evaluates a subset of attributes
 o globalInfo()
Returns a string describing this search method
 o main(String[])
Main method for testing this class.
 o toString()
returns a description of the evaluator

Constructors

 o ConsistencySubsetEval
 public ConsistencySubsetEval()
Constructor. Calls restOptions to set default options

Methods

 o globalInfo
 public String globalInfo()
Returns a string describing this search method

Returns:
a description of the search suitable for displaying in the explorer/experimenter gui
 o buildEvaluator
 public void buildEvaluator(Instances data) throws Exception
Generates a attribute evaluator. Has to initialize all fields of the evaluator that are not being set via options.

Parameters:
data - set of instances serving as training data
Throws: Exception
if the evaluator has not been generated successfully
Overrides:
buildEvaluator in class ASEvaluation
 o evaluateSubset
 public double evaluateSubset(BitSet subset) throws Exception
Evaluates a subset of attributes

Parameters:
subset - a bitset representing the attribute subset to be evaluated
Throws: Exception
if the subset could not be evaluated
Overrides:
evaluateSubset in class SubsetEvaluator
 o toString
 public String toString()
returns a description of the evaluator

Returns:
a description of the evaluator as a String.
Overrides:
toString in class Object
 o main
 public static void main(String args[])
Main method for testing this class.

Parameters:
args - the options

All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home