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java.lang.Objectorg.encog.ml.bayesian.training.search.k2.SearchK2
public class SearchK2
Search for optimal Bayes structure with K2.
Constructor Summary | |
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SearchK2()
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Method Summary | |
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double |
calculateG(BayesianNetwork network,
BayesianEvent event,
List<BayesianEvent> parents)
Calculate G. |
int |
calculateN(BayesianNetwork network,
BayesianEvent event,
List<BayesianEvent> parents,
int[] parentInstance)
Calculate the value N, which is the number of cases, from the training data, where the desiredValue matches the training data. |
int |
calculateN(BayesianNetwork network,
BayesianEvent event,
List<BayesianEvent> parents,
int[] parentInstance,
int desiredValue)
Calculate the value N, which is the number of cases, from the training data, where the desiredValue matches the training data. |
void |
init(TrainBayesian theTrainer,
BayesianNetwork theNetwork,
MLDataSet theData)
Init the search object. |
boolean |
iteration()
Perform an iteration. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public SearchK2()
Method Detail |
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public void init(TrainBayesian theTrainer, BayesianNetwork theNetwork, MLDataSet theData)
init
in interface BayesSearch
theTrainer
- The trainer to use.theNetwork
- The network to usetheData
- The data to use.public int calculateN(BayesianNetwork network, BayesianEvent event, List<BayesianEvent> parents, int[] parentInstance, int desiredValue)
network
- The network to calculate for.event
- The event we are calculating for. (variable i)parents
- The parents of the specified event we are considering.parentInstance
- The parent instance we are looking for.desiredValue
- The desired value.
public int calculateN(BayesianNetwork network, BayesianEvent event, List<BayesianEvent> parents, int[] parentInstance)
network
- The network to calculate for.event
- The event we are calculating for. (variable i)parents
- The parents of the specified event we are considering.parentInstance
- The parent instance we are looking for.
public double calculateG(BayesianNetwork network, BayesianEvent event, List<BayesianEvent> parents)
network
- The network to calculate for.event
- The event to calculate for.parents
- The parents.
public boolean iteration()
iteration
in interface BayesSearch
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