aima.core.probability.bayes.ConditionalProbabilityTable Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aima-core Show documentation

AIMA-Java Core Algorithms from the book Artificial Intelligence a Modern Approach 3rd Ed.

The newest version!

package aima.core.probability.bayes;

import aima.core.probability.CategoricalDistribution;
import aima.core.probability.Factor;
import aima.core.probability.proposition.AssignmentProposition;

/**
 * Artificial Intelligence A Modern Approach (3rd Edition): page 512.

 * 

 * A Conditional Probability Table, or CPT, can be used for representing
 * conditional probabilities for discrete (finite) random variables. Each row in
 * a CPT contains the conditional probability of each node value for a
 * conditioning case.
 * 
 * @author Ciaran O'Reilly
 */
public interface ConditionalProbabilityTable extends
		ConditionalProbabilityDistribution {

	@Override
	CategoricalDistribution getConditioningCase(Object... parentValues);

	@Override
	CategoricalDistribution getConditioningCase(
			AssignmentProposition... parentValues);

	/**
	 * Construct a Factor consisting of the Random Variables from the
	 * Conditional Probability Table that are not part of the evidence (see
	 * AIMA3e pg. 524).
	 * 
	 * @param evidence
	 * @return a Factor for the Random Variables from the Conditional
	 *         Probability Table that are not part of the evidence.
	 */
	Factor getFactorFor(AssignmentProposition... evidence);
}