Package org.drools.beliefs.bayes

Examples of org.drools.beliefs.bayes.JunctionTree

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        InternalKnowledgePackage kpkg = (InternalKnowledgePackage) runtime.getKieBase().getKiePackage( cls.getPackage().getName() );
        Map<ResourceType, ResourceTypePackage> map = kpkg.getResourceTypePackages();
        BayesPackage bayesPkg  = (BayesPackage) map.get( ResourceType.BAYES );
        JunctionTree jtree =  bayesPkg.getJunctionTree(cls.getSimpleName());

        BayesInstance instance = new BayesInstance( jtree, cls );
//        instances.put( cls.getName() , instance );

        return instance;
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        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        InternalKnowledgePackage kpkg = (InternalKnowledgePackage) kbase.getKiePackage("org.drools.beliefs.bayes.integration");
        Map<ResourceType, ResourceTypePackage> map = kpkg.getResourceTypePackages();
        BayesPackage existing  = (BayesPackage) map.get( ResourceType.BAYES );
        JunctionTree jtree =  existing.getJunctionTree("Garden");
        assertNotNull( jtree );
    }
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    }

    @Test
    public void testNoEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);
        bayesInstance.globalUpdate();

        assertArray(new double[]{0.5, 0.5}, scaleDouble(3, bayesInstance.marginalize("Cloudy").getDistribution()));
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    }

    @Test
    public void testGrassWetEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);

        bayesInstance.setLikelyhood( "WetGrass", new double[]{1.0, 0.0} );

        bayesInstance.globalUpdate();
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    }

    @Test
    public void testSprinklerEvidence() {
        JunctionTreeBuilder jtBuilder = new JunctionTreeBuilder( graph );
        JunctionTree jTree = jtBuilder.build();

        JunctionTreeClique jtNode = jTree.getRoot();
        BayesInstance bayesInstance = new BayesInstance(jTree);

        bayesInstance.setLikelyhood( "Sprinkler", new double[]{1.0, 0.0} );
        bayesInstance.setLikelyhood( "Cloudy", new double[]{1.0, 0.0} );
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Related Classes of org.drools.beliefs.bayes.JunctionTree

  • org.drools.beliefs.bayes.example.SprinkerTest
  • org.drools.beliefs.bayes.integration.WeaverTest
  • org.drools.beliefs.bayes.runtime.BayesRuntimeImpl
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