keel.Algorithms.Discretizers.Fayyad_Discretizer

Class FayyadDiscretizer

java.lang.Object

keel.Algorithms.Discretizers.Basic.Discretizer

keel.Algorithms.Discretizers.Fayyad_Discretizer.FayyadDiscretizer

public class FayyadDiscretizer
extends Discretizer

This class implements the Fayyad discretizer.

Since:

JDK1.5

Version:

1.1

Author:

Written by Jaume Bacardit (La Salle, Ramón Llull University - Barcelona) 28/03/2004 Modified by Xavi Solé (La Salle, Ramón Llull University - Barcelona) 03/12/2008

Field Summary

Fields inherited from class keel.Algorithms.Discretizers.Basic.Discretizer

classOfInstances, cutPoints, iClassIndex, realAttributes, realValues

Constructor Summary

Constructors

Constructor and Description
FayyadDiscretizer()

Method Summary

Modifier and Type	Method and Description
protected java.util.Vector	discretizeAttribute(int attribute, int[] values, int begin, int end) It returns a vector with the discretized values.
double	log2(double value) Calculate the log base 2 of a number

Methods inherited from class keel.Algorithms.Discretizers.Basic.Discretizer

applyDiscretization, buildCutPoints, discretize, getCutPoint, getNumIntervals, sortValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FayyadDiscretizer

public FayyadDiscretizer()

Method Detail

discretizeAttribute

protected java.util.Vector discretizeAttribute(int attribute,
                                               int[] values,
                                               int begin,
                                               int end)

It returns a vector with the discretized values.

Specified by:

discretizeAttribute in class Discretizer

Parameters:

attribute -

values -

begin -

end -

Returns:

vector with the discretized values

log2

public double log2(double value)

Calculate the log base 2 of a number

Parameters:

value - Number to apply log base2

Returns:

log base 2