keel.Algorithms.Genetic_Rule_Learning.MPLCS.Assistant.Discretizers.Basic

Class Discretizer

java.lang.Object

keel.Algorithms.Genetic_Rule_Learning.MPLCS.Assistant.Discretizers.Basic.Discretizer

Direct Known Subclasses:

ChiMergeDiscretizer, FayyadDiscretizer, Id3Discretizer, UniformFrequencyDiscretizer, UniformWidthDiscretizer, USDDiscretizer

public abstract class Discretizer
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	classOfInstances
protected double[][]	cutPoints
protected boolean[]	realAttributes
protected double[][]	realValues

Constructor Summary

Constructors

Constructor and Description
Discretizer()

Method Summary

Modifier and Type	Method and Description
void	applyDiscretization(java.lang.String in, java.lang.String out)
void	buildCutPoints(InstanceSet is)
int	discretize(int attribute, double value)
protected abstract java.util.Vector	discretizeAttribute(int attribute, int[] values, int begin, int end)
double	getCutPoint(int attribute, int cp)
int	getNumIntervals(int attribute)
protected void	sortValues(int attribute, int[] values, int begin, int end)

Methods inherited from class java.lang.Object

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

Field Detail

cutPoints

protected double[][] cutPoints

realValues

protected double[][] realValues

realAttributes

protected boolean[] realAttributes

classOfInstances

protected int[] classOfInstances

Constructor Detail

Discretizer

public Discretizer()

Method Detail

buildCutPoints

public void buildCutPoints(InstanceSet is)

applyDiscretization

public void applyDiscretization(java.lang.String in,
                                java.lang.String out)

sortValues

protected void sortValues(int attribute,
                          int[] values,
                          int begin,
                          int end)

getNumIntervals

public int getNumIntervals(int attribute)

getCutPoint

public double getCutPoint(int attribute,
                          int cp)

discretizeAttribute

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

discretize

public int discretize(int attribute,
                      double value)