weka.classifiers.rules
Class Prism.PrismRule

java.lang.Object
  weka.classifiers.rules.Prism.PrismRule

All Implemented Interfaces:

java.io.Serializable

Enclosing class:

Prism

private class Prism.PrismRule

extends java.lang.Object

implements java.io.Serializable

Class for storing a PRISM ruleset, i.e. a list of rules

Field Summary

private int	m_classification The classification
private int	m_errors Number of errors made by this rule (will end up 0)
private Instances	m_instances The instance
private Prism.PrismRule	m_next The next rule in the list
private Prism.Test	m_test First test of this rule

Constructor Summary

Prism.PrismRule(Instances data, int cl)
Constructor that takes instances and the classification.

Method Summary

Instances	coveredBy(Instances data) Returns the set of instances that are covered by this rule.
Instances	notCoveredBy(Instances data) Returns the set of instances that are not covered by this rule.
int	resultRule(Instance inst) Returns the result assigned by this rule to a given instance.
int	resultRules(Instance inst) Returns the result assigned by these rules to a given instance.
java.lang.String	toString() Prints the set of rules.

Methods inherited from class java.lang.Object

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

Field Detail

m_classification

private int m_classification

The classification

m_instances

private Instances m_instances

The instance

m_test

private Prism.Test m_test

First test of this rule

m_errors

private int m_errors

Number of errors made by this rule (will end up 0)

m_next

private Prism.PrismRule m_next

The next rule in the list

Constructor Detail

Prism.PrismRule

public Prism.PrismRule(Instances data,
                       int cl)
                throws java.lang.Exception

Constructor that takes instances and the classification.

Parameters:

data - the instances

cl - the class

Throws:

java.lang.Exception - if something goes wrong

Method Detail

resultRule

public int resultRule(Instance inst)

Returns the result assigned by this rule to a given instance.

Parameters:

inst - the instance to be classified

Returns:

the classification

resultRules

public int resultRules(Instance inst)

Returns the result assigned by these rules to a given instance.

Parameters:

inst - the instance to be classified

Returns:

the classification

coveredBy

public Instances coveredBy(Instances data)

Returns the set of instances that are covered by this rule.

Parameters:

data - the instances to be checked

Returns:

the instances covered

notCoveredBy

public Instances notCoveredBy(Instances data)

Returns the set of instances that are not covered by this rule.

Parameters:

data - the instances to be checked

Returns:

the instances not covered

toString

public java.lang.String toString()

Prints the set of rules.

Returns:

a description of the rules as a string