Package adaa.analytics.rules.logic.induction

Class RuleFactory

java.lang.Object

adaa.analytics.rules.logic.induction.RuleFactory

public class RuleFactory
extends Object

A factory class for creating instances of rules and rule sets of different types (classification/regression,/survival).

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	isVoting	Flag indicating whether voting rules are to be created (always true).
protected Knowledge	knowledge	User's knowledge.
protected InductionParameters	params	Indication parameters.
protected int	type	Rule type (classification/regression/survival).

Constructor Summary

Constructors

Constructor	Description
RuleFactory(int type, InductionParameters params, Knowledge knowledge)	Constructor of guided rules factory.

Method Summary

Modifier and Type	Method	Description
RuleSetBase	create(IExampleSet set)	Creates an empty rule set of appropriate type.
Rule	create(CompoundCondition premise, ElementaryCondition consequence)	Creates a rule of appropriate type from a premise and a consequence.
int	getType()	Gets rule type.

Methods inherited from class java.lang.Object

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

Field Details

type

protected int type

Rule type (classification/regression/survival).

isVoting

protected boolean isVoting

Flag indicating whether voting rules are to be created (always true).

knowledge

protected Knowledge knowledge

User's knowledge.

params

protected InductionParameters params

Indication parameters.

Constructor Details

RuleFactory

public RuleFactory(int type,
 InductionParameters params,
 Knowledge knowledge)

Constructor of guided rules factory. Initializes with arguments members.

Parameters:

type - Rule type (classification/regression/survival).

params - Induction parameters.

knowledge - User's knowledge.

Method Details

getType

public int getType()

Gets rule type.

Returns:

Rule type.

create

public Rule create(CompoundCondition premise,
 ElementaryCondition consequence)

Creates a rule of appropriate type from a premise and a consequence.

Parameters:

premise - Premise (compound condition).

consequence - Consequence (elementary condition).

Returns:

A newly created rule.

create

public RuleSetBase create(IExampleSet set)

Creates an empty rule set of appropriate type.

Parameters:

set - Training set.

Returns:

Empty rule set.