jildt.tilde.math
Class InformationGain

java.lang.Object
  jason.asSemantics.DefaultArithFunction
      jildt.tilde.math.InformationGain

All Implemented Interfaces:

jason.asSemantics.ArithFunction, java.io.Serializable

public class InformationGain
extends jason.asSemantics.DefaultArithFunction

Function to calculate Information Gain.

Use:
IG = jildt.math.infoGain(Exs, Qb)

Parameters:

• + examples (List): the list of examples which information gain will be calculated for.
• + query (List): the refinement which information gain will be calculated for.

Author:

Carlos Alberto González-Alarcón, Alejandro Guerra-Hernández, Francisco Grimaldo-Moreno

See Also:

Serialized Form

Constructor Summary

InformationGain()

Method Summary

boolean	allowUngroundTerms()
static double	calculate(jason.asSemantics.TransitionSystem ts, jason.asSyntax.Term[] args)
boolean	checkArity(int a)
double	evaluate(jason.asSemantics.TransitionSystem ts, jason.asSyntax.Term[] args)
java.lang.String	getName()

Methods inherited from class jason.asSemantics.DefaultArithFunction

toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

InformationGain

public InformationGain()

Method Detail

calculate

public static double calculate(jason.asSemantics.TransitionSystem ts,
                               jason.asSyntax.Term[] args)
                        throws java.lang.Exception

Throws:

java.lang.Exception

evaluate

public double evaluate(jason.asSemantics.TransitionSystem ts,
                       jason.asSyntax.Term[] args)
                throws java.lang.Exception

Specified by:

evaluate in interface jason.asSemantics.ArithFunction

Overrides:

evaluate in class jason.asSemantics.DefaultArithFunction

Throws:

java.lang.Exception

checkArity

public boolean checkArity(int a)

Specified by:

checkArity in interface jason.asSemantics.ArithFunction

Overrides:

checkArity in class jason.asSemantics.DefaultArithFunction

getName

public java.lang.String getName()

Specified by:

getName in interface jason.asSemantics.ArithFunction

Overrides:

getName in class jason.asSemantics.DefaultArithFunction

allowUngroundTerms

public boolean allowUngroundTerms()

Specified by:

allowUngroundTerms in interface jason.asSemantics.ArithFunction

Overrides:

allowUngroundTerms in class jason.asSemantics.DefaultArithFunction