use of org.kie.kogito.explainability.local.lime.LimeConfig in project kogito-apps by kiegroup.
the class DummyDmnModelsLimeExplainerTest method testFunctional1DMNExplanation.
@Test
void testFunctional1DMNExplanation() throws ExecutionException, InterruptedException, TimeoutException {
DMNRuntime dmnRuntime = DMNKogito.createGenericDMNRuntime(new InputStreamReader(getClass().getResourceAsStream("/dmn/functionalTest1.dmn")));
assertThat(dmnRuntime.getModels().size()).isEqualTo(1);
final String namespace = "https://kiegroup.org/dmn/_049CD980-1310-4B02-9E90-EFC57059F44A";
final String name = "functionalTest1";
DecisionModel decisionModel = new DmnDecisionModel(dmnRuntime, namespace, name);
PredictionProvider model = new DecisionModelWrapper(decisionModel);
Map<String, Object> context = new HashMap<>();
context.put("booleanInput", true);
context.put("notUsedInput", 1);
List<Feature> features = new ArrayList<>();
features.add(FeatureFactory.newCompositeFeature("context", context));
PredictionInput predictionInput = new PredictionInput(features);
List<PredictionOutput> predictionOutputs = model.predictAsync(List.of(predictionInput)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction prediction = new SimplePrediction(predictionInput, predictionOutputs.get(0));
Random random = new Random();
PerturbationContext perturbationContext = new PerturbationContext(0L, random, 1);
LimeConfig limeConfig = new LimeConfig().withSamples(10).withPerturbationContext(perturbationContext);
LimeExplainer limeExplainer = new LimeExplainer(limeConfig);
Map<String, Saliency> saliencyMap = limeExplainer.explainAsync(prediction, model).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
for (Saliency saliency : saliencyMap.values()) {
assertThat(saliency).isNotNull();
List<FeatureImportance> topFeatures = saliency.getPositiveFeatures(2);
assertThat(topFeatures.isEmpty()).isFalse();
assertThat(topFeatures.get(0).getFeature().getName()).isEqualTo("booleanInput");
}
assertThatCode(() -> ValidationUtils.validateLocalSaliencyStability(model, prediction, limeExplainer, 1, 0.5, 0.5)).doesNotThrowAnyException();
String decision = "decision";
List<PredictionInput> inputs = new ArrayList<>();
for (int n = 0; n < 10; n++) {
inputs.add(new PredictionInput(DataUtils.perturbFeatures(features, perturbationContext)));
}
DataDistribution distribution = new PredictionInputsDataDistribution(inputs);
int k = 2;
int chunkSize = 5;
double precision = ExplainabilityMetrics.getLocalSaliencyPrecision(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(precision).isBetween(0d, 1d);
double recall = ExplainabilityMetrics.getLocalSaliencyRecall(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(recall).isBetween(0d, 1d);
double f1 = ExplainabilityMetrics.getLocalSaliencyF1(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(f1).isBetween(0d, 1d);
}
use of org.kie.kogito.explainability.local.lime.LimeConfig in project kogito-apps by kiegroup.
the class DummyDmnModelsLimeExplainerTest method testFunctional2DMNExplanation.
@Test
void testFunctional2DMNExplanation() throws ExecutionException, InterruptedException, TimeoutException {
DMNRuntime dmnRuntime = DMNKogito.createGenericDMNRuntime(new InputStreamReader(getClass().getResourceAsStream("/dmn/functionalTest2.dmn")));
assertThat(dmnRuntime.getModels().size()).isEqualTo(1);
final String namespace = "https://kiegroup.org/dmn/_049CD980-1310-4B02-9E90-EFC57059F44A";
final String name = "new-file";
DecisionModel decisionModel = new DmnDecisionModel(dmnRuntime, namespace, name);
PredictionProvider model = new DecisionModelWrapper(decisionModel);
Map<String, Object> context = new HashMap<>();
context.put("numberInput", 1);
context.put("notUsedInput", 1);
List<Feature> features = new ArrayList<>();
features.add(FeatureFactory.newCompositeFeature("context", context));
PredictionInput predictionInput = new PredictionInput(features);
List<PredictionOutput> predictionOutputs = model.predictAsync(List.of(predictionInput)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction prediction = new SimplePrediction(predictionInput, predictionOutputs.get(0));
Random random = new Random();
PerturbationContext perturbationContext = new PerturbationContext(0L, random, 1);
LimeConfig limeConfig = new LimeConfig().withSamples(10).withPerturbationContext(perturbationContext);
LimeExplainer limeExplainer = new LimeExplainer(limeConfig);
Map<String, Saliency> saliencyMap = limeExplainer.explainAsync(prediction, model).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
for (Saliency saliency : saliencyMap.values()) {
assertThat(saliency).isNotNull();
List<FeatureImportance> topFeatures = saliency.getPositiveFeatures(2);
assertThat(topFeatures.isEmpty()).isFalse();
assertThat(topFeatures.get(0).getFeature().getName()).isEqualTo("numberInput");
}
assertThatCode(() -> ValidationUtils.validateLocalSaliencyStability(model, prediction, limeExplainer, 1, 0.5, 0.5)).doesNotThrowAnyException();
String decision = "decision";
List<PredictionInput> inputs = new ArrayList<>();
for (int n = 0; n < 10; n++) {
inputs.add(new PredictionInput(DataUtils.perturbFeatures(features, perturbationContext)));
}
DataDistribution distribution = new PredictionInputsDataDistribution(inputs);
int k = 2;
int chunkSize = 5;
double precision = ExplainabilityMetrics.getLocalSaliencyPrecision(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(precision).isBetween(0d, 1d);
double recall = ExplainabilityMetrics.getLocalSaliencyRecall(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(recall).isBetween(0d, 1d);
double f1 = ExplainabilityMetrics.getLocalSaliencyF1(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(f1).isBetween(0d, 1d);
}
use of org.kie.kogito.explainability.local.lime.LimeConfig in project kogito-apps by kiegroup.
the class FraudScoringDmnLimeExplainerTest method testExplanationImpactScoreWithOptimization.
@Test
void testExplanationImpactScoreWithOptimization() throws ExecutionException, InterruptedException, TimeoutException {
PredictionProvider model = getModel();
List<PredictionInput> samples = DmnTestUtils.randomFraudScoringInputs();
List<PredictionOutput> predictionOutputs = model.predictAsync(samples.subList(0, 10)).get();
List<Prediction> predictions = DataUtils.getPredictions(samples, predictionOutputs);
long seed = 0;
LimeConfigOptimizer limeConfigOptimizer = new LimeConfigOptimizer().withDeterministicExecution(true).forImpactScore().withSampling(false).withStepCountLimit(20);
Random random = new Random();
PerturbationContext perturbationContext = new PerturbationContext(seed, random, 1);
LimeConfig initialConfig = new LimeConfig().withSamples(10).withPerturbationContext(perturbationContext);
LimeConfig optimizedConfig = limeConfigOptimizer.optimize(initialConfig, predictions, model);
assertThat(optimizedConfig).isNotSameAs(initialConfig);
}
use of org.kie.kogito.explainability.local.lime.LimeConfig in project kogito-apps by kiegroup.
the class FraudScoringDmnLimeExplainerTest method testExplanationStabilityWithOptimization.
@Test
void testExplanationStabilityWithOptimization() throws ExecutionException, InterruptedException, TimeoutException {
PredictionProvider model = getModel();
List<PredictionInput> samples = DmnTestUtils.randomFraudScoringInputs();
List<PredictionOutput> predictionOutputs = model.predictAsync(samples.subList(0, 5)).get();
List<Prediction> predictions = DataUtils.getPredictions(samples, predictionOutputs);
long seed = 0;
LimeConfigOptimizer limeConfigOptimizer = new LimeConfigOptimizer().withDeterministicExecution(true).withStepCountLimit(20);
Random random = new Random();
PerturbationContext perturbationContext = new PerturbationContext(seed, random, 1);
LimeConfig initialConfig = new LimeConfig().withSamples(10).withPerturbationContext(perturbationContext);
LimeConfig optimizedConfig = limeConfigOptimizer.optimize(initialConfig, predictions, model);
assertThat(optimizedConfig).isNotSameAs(initialConfig);
LimeExplainer limeExplainer = new LimeExplainer(optimizedConfig);
PredictionInput testPredictionInput = getTestInput();
List<PredictionOutput> testPredictionOutputs = model.predictAsync(List.of(testPredictionInput)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction instance = new SimplePrediction(testPredictionInput, testPredictionOutputs.get(0));
assertDoesNotThrow(() -> ValidationUtils.validateLocalSaliencyStability(model, instance, limeExplainer, 1, 0.5, 0.5));
}
use of org.kie.kogito.explainability.local.lime.LimeConfig in project kogito-apps by kiegroup.
the class FraudScoringDmnLimeExplainerTest method testExplanationWeightedStabilityWithOptimization.
@Test
void testExplanationWeightedStabilityWithOptimization() throws ExecutionException, InterruptedException, TimeoutException {
PredictionProvider model = getModel();
List<PredictionInput> samples = DmnTestUtils.randomFraudScoringInputs();
List<PredictionOutput> predictionOutputs = model.predictAsync(samples.subList(0, 5)).get();
List<Prediction> predictions = DataUtils.getPredictions(samples, predictionOutputs);
long seed = 0;
LimeConfigOptimizer limeConfigOptimizer = new LimeConfigOptimizer().withDeterministicExecution(true).withWeightedStability(0.4, 0.6).withStepCountLimit(10);
Random random = new Random();
PerturbationContext perturbationContext = new PerturbationContext(seed, random, 1);
LimeConfig initialConfig = new LimeConfig().withSamples(10).withPerturbationContext(perturbationContext);
LimeConfig optimizedConfig = limeConfigOptimizer.optimize(initialConfig, predictions, model);
assertThat(optimizedConfig).isNotSameAs(initialConfig);
LimeExplainer limeExplainer = new LimeExplainer(optimizedConfig);
PredictionInput testPredictionInput = getTestInput();
List<PredictionOutput> testPredictionOutputs = model.predictAsync(List.of(testPredictionInput)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction instance = new SimplePrediction(testPredictionInput, testPredictionOutputs.get(0));
assertDoesNotThrow(() -> ValidationUtils.validateLocalSaliencyStability(model, instance, limeExplainer, 1, 0.6, 0.4));
}
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