com.mapr.stats.bandit

Class ContextualBayesBandit

java.lang.Object

com.mapr.stats.bandit.ContextualBayesBandit

public class ContextualBayesBandit
extends Object

Solves the contextual bandit problem using Bayesian sampling.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ContextualBayesBandit.InverseLogisticFunction
class	ContextualBayesBandit.LogisticFunction

Constructor Summary

Constructors

Constructor and Description
ContextualBayesBandit(org.apache.mahout.math.Matrix featureMap)
ContextualBayesBandit(org.apache.mahout.math.Matrix featureMap, double alpha_0, double beta_0)

Method Summary

Methods

Modifier and Type	Method and Description
int	sample()
org.apache.mahout.math.Vector	samplePi()
void	train(int bandit, boolean success)

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextualBayesBandit

public ContextualBayesBandit(org.apache.mahout.math.Matrix featureMap)

ContextualBayesBandit

public ContextualBayesBandit(org.apache.mahout.math.Matrix featureMap,
                     double alpha_0,
                     double beta_0)

Method Detail

samplePi

public org.apache.mahout.math.Vector samplePi()

sample

public int sample()

train

public void train(int bandit,
         boolean success)