Examples with CounterfactualExplainer org.kie.kogito.explainability.local.counterfactual.CounterfactualExplainer used on opensource projects

Example 6 with CounterfactualExplainer

use of org.kie.kogito.explainability.local.counterfactual.CounterfactualExplainer in project kogito-apps by kiegroup.

the class LocalExplainerServiceHandlerRegistryTest method setup.

@BeforeEach
@SuppressWarnings("unchecked")
public void setup() {
    LimeExplainer limeExplainer = mock(LimeExplainer.class);
    CounterfactualExplainer counterfactualExplainer = mock(CounterfactualExplainer.class);
    PredictionProviderFactory predictionProviderFactory = mock(PredictionProviderFactory.class);
    limeExplainerServiceHandler = spy(new LimeExplainerServiceHandler(limeExplainer, predictionProviderFactory));
    counterfactualExplainerServiceHandler = spy(new CounterfactualExplainerServiceHandler(counterfactualExplainer, predictionProviderFactory, MAX_RUNNING_TIME_SECONDS));
    predictionProvider = mock(PredictionProvider.class);
    callback = mock(Consumer.class);
    when(predictionProviderFactory.createPredictionProvider(any(), any(), any())).thenReturn(predictionProvider);
    Instance<LocalExplainerServiceHandler<?, ?>> explanationHandlers = mock(Instance.class);
    when(explanationHandlers.stream()).thenReturn(Stream.of(limeExplainerServiceHandler, counterfactualExplainerServiceHandler));
    registry = new LocalExplainerServiceHandlerRegistry(explanationHandlers);
}

Example 7 with CounterfactualExplainer

use of org.kie.kogito.explainability.local.counterfactual.CounterfactualExplainer in project kogito-apps by kiegroup.

the class CounterfactualExplainerProducer method produce.

@Produces
public CounterfactualExplainer produce() {
    LOG.debug("CounterfactualExplainer created");
    final CounterfactualConfig counterfactualConfig = new CounterfactualConfig().withGoalThreshold(this.goalThreshold).withExecutor(executor);
    return new CounterfactualExplainer(counterfactualConfig);
}

Example 8 with CounterfactualExplainer

use of org.kie.kogito.explainability.local.counterfactual.CounterfactualExplainer in project kogito-apps by kiegroup.

the class PrequalificationDmnCounterfactualExplainerTest method testValidCounterfactual.

@Test
void testValidCounterfactual() throws ExecutionException, InterruptedException, TimeoutException {
    PredictionProvider model = getModel();
    final List<Output> goal = List.of(new Output("Qualified?", Type.BOOLEAN, new Value(true), 0.0d));
    final TerminationConfig terminationConfig = new TerminationConfig().withScoreCalculationCountLimit(steps);
    final SolverConfig solverConfig = SolverConfigBuilder.builder().withTerminationConfig(terminationConfig).build();
    solverConfig.setRandomSeed(randomSeed);
    solverConfig.setEnvironmentMode(EnvironmentMode.REPRODUCIBLE);
    CounterfactualConfig config = new CounterfactualConfig().withGoalThreshold(0.1);
    config.withSolverConfig(solverConfig);
    final CounterfactualExplainer explainer = new CounterfactualExplainer(config);
    PredictionInput input = getTestInputVariable();
    PredictionOutput output = new PredictionOutput(goal);
    // test model
    List<PredictionOutput> predictionOutputs = model.predictAsync(List.of(getTestInputFixed())).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
    final Output predictionOutput = predictionOutputs.get(0).getOutputs().get(0);
    assertEquals("Qualified?", predictionOutput.getName());
    assertFalse((Boolean) predictionOutput.getValue().getUnderlyingObject());
    Prediction prediction = new CounterfactualPrediction(input, output, null, UUID.randomUUID(), null);
    CounterfactualResult counterfactualResult = explainer.explainAsync(prediction, model).get();
    List<Feature> cfFeatures = counterfactualResult.getEntities().stream().map(CounterfactualEntity::asFeature).collect(Collectors.toList());
    List<Feature> unflattened = CompositeFeatureUtils.unflattenFeatures(cfFeatures, input.getFeatures());
    List<PredictionOutput> outputs = model.predictAsync(List.of(new PredictionInput(unflattened))).get();
    assertTrue(counterfactualResult.isValid());
    final Output decideOutput = outputs.get(0).getOutputs().get(0);
    assertEquals("Qualified?", decideOutput.getName());
    assertTrue((Boolean) decideOutput.getValue().getUnderlyingObject());
}