use of org.kie.kogito.explainability.model.Prediction in project kogito-apps by kiegroup.
the class CounterfactualExplainerTest method testConsumers.
@ParameterizedTest
@ValueSource(ints = { 0, 1, 2 })
void testConsumers(int seed) throws ExecutionException, InterruptedException, TimeoutException {
Random random = new Random();
random.setSeed(seed);
final List<Output> goal = List.of(new Output("inside", Type.BOOLEAN, new Value(true), 0.0));
List<Feature> features = new LinkedList<>();
features.add(FeatureFactory.newNumericalFeature("f-num1", 100.0, NumericalFeatureDomain.create(0.0, 1000.0)));
features.add(FeatureFactory.newNumericalFeature("f-num2", 100.0, NumericalFeatureDomain.create(0.0, 1000.0)));
features.add(FeatureFactory.newNumericalFeature("f-num3", 100.0, NumericalFeatureDomain.create(0.0, 1000.0)));
features.add(FeatureFactory.newNumericalFeature("f-num4", 100.0, NumericalFeatureDomain.create(0.0, 1000.0)));
final TerminationConfig terminationConfig = new TerminationConfig().withScoreCalculationCountLimit(10_000L);
// for the purpose of this test, only a few steps are necessary
final SolverConfig solverConfig = SolverConfigBuilder.builder().withTerminationConfig(terminationConfig).build();
solverConfig.setRandomSeed((long) seed);
solverConfig.setEnvironmentMode(EnvironmentMode.REPRODUCIBLE);
@SuppressWarnings("unchecked") final Consumer<CounterfactualResult> assertIntermediateCounterfactualNotNull = mock(Consumer.class);
final CounterfactualConfig counterfactualConfig = new CounterfactualConfig().withSolverConfig(solverConfig).withGoalThreshold(0.01);
final CounterfactualExplainer counterfactualExplainer = new CounterfactualExplainer(counterfactualConfig);
PredictionInput input = new PredictionInput(features);
final double center = 500.0;
final double epsilon = 10.0;
final PredictionProvider model = TestUtils.getSumThresholdModel(center, epsilon);
PredictionOutput output = new PredictionOutput(goal);
Prediction prediction = new CounterfactualPrediction(input, output, null, UUID.randomUUID(), null);
final CounterfactualResult counterfactualResult = counterfactualExplainer.explainAsync(prediction, model, assertIntermediateCounterfactualNotNull).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
for (CounterfactualEntity entity : counterfactualResult.getEntities()) {
logger.debug("Entity: {}", entity);
}
logger.debug("Outputs: {}", counterfactualResult.getOutput().get(0).getOutputs());
// At least one intermediate result is generated
verify(assertIntermediateCounterfactualNotNull, atLeast(1)).accept(any());
}
use of org.kie.kogito.explainability.model.Prediction in project kogito-apps by kiegroup.
the class CounterfactualExplainerTest method testNonEmptyInput.
@ParameterizedTest
@ValueSource(ints = { 0, 1, 2 })
void testNonEmptyInput(int seed) throws ExecutionException, InterruptedException, TimeoutException {
Random random = new Random();
random.setSeed(seed);
final List<Output> goal = List.of(new Output("class", Type.NUMBER, new Value(10.0), 0.0d));
List<Feature> features = new LinkedList<>();
for (int i = 0; i < 4; i++) {
features.add(FeatureFactory.newNumericalFeature("f-" + i, random.nextDouble(), NumericalFeatureDomain.create(0.0, 1000.0)));
}
final TerminationConfig terminationConfig = new TerminationConfig().withScoreCalculationCountLimit(10L);
// for the purpose of this test, only a few steps are necessary
final SolverConfig solverConfig = SolverConfigBuilder.builder().withTerminationConfig(terminationConfig).build();
solverConfig.setRandomSeed((long) seed);
solverConfig.setEnvironmentMode(EnvironmentMode.REPRODUCIBLE);
final CounterfactualConfig counterfactualConfig = new CounterfactualConfig().withSolverConfig(solverConfig);
final CounterfactualExplainer counterfactualExplainer = new CounterfactualExplainer(counterfactualConfig);
PredictionProvider model = TestUtils.getSumSkipModel(0);
PredictionInput input = new PredictionInput(features);
PredictionOutput output = new PredictionOutput(goal);
Prediction prediction = new CounterfactualPrediction(input, output, null, UUID.randomUUID(), null);
final CounterfactualResult counterfactualResult = counterfactualExplainer.explainAsync(prediction, model).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
for (CounterfactualEntity entity : counterfactualResult.getEntities()) {
logger.debug("Entity: {}", entity);
}
logger.debug("Outputs: {}", counterfactualResult.getOutput().get(0).getOutputs());
assertNotNull(counterfactualResult);
assertNotNull(counterfactualResult.getEntities());
}
use of org.kie.kogito.explainability.model.Prediction in project kogito-apps by kiegroup.
the class DummyModelsLimeExplainerTest method testFixedOutput.
@ParameterizedTest
@ValueSource(longs = { 0 })
void testFixedOutput(long seed) throws Exception {
Random random = new Random();
List<Feature> features = new LinkedList<>();
features.add(FeatureFactory.newNumericalFeature("f1", 6));
features.add(FeatureFactory.newNumericalFeature("f2", 3));
features.add(FeatureFactory.newNumericalFeature("f3", 5));
PredictionProvider model = TestUtils.getFixedOutputClassifier();
PredictionInput input = new PredictionInput(features);
List<PredictionOutput> outputs = model.predictAsync(List.of(input)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction prediction = new SimplePrediction(input, outputs.get(0));
LimeConfig limeConfig = new LimeConfig().withSamples(10).withPerturbationContext(new PerturbationContext(seed, random, 1));
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()) {
assertNotNull(saliency);
List<FeatureImportance> topFeatures = saliency.getTopFeatures(3);
assertEquals(3, topFeatures.size());
for (FeatureImportance featureImportance : topFeatures) {
assertEquals(0, featureImportance.getScore());
}
assertEquals(0d, ExplainabilityMetrics.impactScore(model, prediction, topFeatures));
}
int topK = 1;
double minimumPositiveStabilityRate = 0.5;
double minimumNegativeStabilityRate = 0.5;
TestUtils.assertLimeStability(model, prediction, limeExplainer, topK, minimumPositiveStabilityRate, minimumNegativeStabilityRate);
List<PredictionInput> inputs = new ArrayList<>();
for (int i = 0; i < 100; i++) {
List<Feature> fs = new LinkedList<>();
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
inputs.add(new PredictionInput(fs));
}
DataDistribution distribution = new PredictionInputsDataDistribution(inputs);
int k = 2;
int chunkSize = 10;
String decision = "class";
double precision = ExplainabilityMetrics.getLocalSaliencyPrecision(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(precision).isEqualTo(1);
double recall = ExplainabilityMetrics.getLocalSaliencyRecall(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(recall).isEqualTo(1);
double f1 = ExplainabilityMetrics.getLocalSaliencyF1(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(f1).isEqualTo(1);
}
use of org.kie.kogito.explainability.model.Prediction in project kogito-apps by kiegroup.
the class DummyModelsLimeExplainerTest method testMapOneFeatureToOutputClassification.
@ParameterizedTest
@ValueSource(longs = { 0 })
void testMapOneFeatureToOutputClassification(long seed) throws Exception {
Random random = new Random();
int idx = 1;
List<Feature> features = new LinkedList<>();
features.add(FeatureFactory.newNumericalFeature("f1", 1));
features.add(FeatureFactory.newNumericalFeature("f2", 1));
features.add(FeatureFactory.newNumericalFeature("f3", 3));
PredictionInput input = new PredictionInput(features);
PredictionProvider model = TestUtils.getEvenFeatureModel(idx);
List<PredictionOutput> outputs = model.predictAsync(List.of(input)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction prediction = new SimplePrediction(input, outputs.get(0));
LimeConfig limeConfig = new LimeConfig().withSamples(100).withPerturbationContext(new PerturbationContext(seed, random, 2));
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()) {
assertNotNull(saliency);
List<FeatureImportance> topFeatures = saliency.getTopFeatures(3);
assertEquals(3, topFeatures.size());
assertEquals(1d, ExplainabilityMetrics.impactScore(model, prediction, topFeatures));
}
double minimumPositiveStabilityRate = 0.5;
double minimumNegativeStabilityRate = 0.5;
int topK = 1;
TestUtils.assertLimeStability(model, prediction, limeExplainer, topK, minimumPositiveStabilityRate, minimumNegativeStabilityRate);
List<PredictionInput> inputs = new ArrayList<>();
for (int i = 0; i < 100; i++) {
List<Feature> fs = new LinkedList<>();
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
inputs.add(new PredictionInput(fs));
}
DataDistribution distribution = new PredictionInputsDataDistribution(inputs);
int k = 2;
int chunkSize = 10;
String decision = "feature-" + idx;
double precision = ExplainabilityMetrics.getLocalSaliencyPrecision(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(precision).isEqualTo(1);
double recall = ExplainabilityMetrics.getLocalSaliencyRecall(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(recall).isEqualTo(1);
double f1 = ExplainabilityMetrics.getLocalSaliencyF1(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(f1).isEqualTo(1);
}
use of org.kie.kogito.explainability.model.Prediction in project kogito-apps by kiegroup.
the class DummyModelsLimeExplainerTest method testUnusedFeatureRegression.
@ParameterizedTest
@ValueSource(longs = { 0 })
void testUnusedFeatureRegression(long seed) throws Exception {
Random random = new Random();
int idx = 2;
List<Feature> features = new LinkedList<>();
features.add(TestUtils.getMockedNumericFeature(100));
features.add(TestUtils.getMockedNumericFeature(20));
features.add(TestUtils.getMockedNumericFeature(10));
PredictionProvider model = TestUtils.getSumSkipModel(idx);
PredictionInput input = new PredictionInput(features);
List<PredictionOutput> outputs = model.predictAsync(List.of(input)).get(Config.INSTANCE.getAsyncTimeout(), Config.INSTANCE.getAsyncTimeUnit());
Prediction prediction = new SimplePrediction(input, outputs.get(0));
LimeConfig limeConfig = new LimeConfig().withSamples(10).withPerturbationContext(new PerturbationContext(seed, random, 1));
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()) {
assertNotNull(saliency);
List<FeatureImportance> topFeatures = saliency.getTopFeatures(3);
assertEquals(3, topFeatures.size());
assertEquals(1d, ExplainabilityMetrics.impactScore(model, prediction, topFeatures));
}
int topK = 1;
double minimumPositiveStabilityRate = 0.5;
double minimumNegativeStabilityRate = 0.5;
TestUtils.assertLimeStability(model, prediction, limeExplainer, topK, minimumPositiveStabilityRate, minimumNegativeStabilityRate);
List<PredictionInput> inputs = new ArrayList<>();
for (int i = 0; i < 100; i++) {
List<Feature> fs = new LinkedList<>();
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
fs.add(TestUtils.getMockedNumericFeature());
inputs.add(new PredictionInput(fs));
}
DataDistribution distribution = new PredictionInputsDataDistribution(inputs);
int k = 2;
int chunkSize = 10;
String decision = "sum-but" + idx;
double precision = ExplainabilityMetrics.getLocalSaliencyPrecision(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(precision).isEqualTo(1);
double recall = ExplainabilityMetrics.getLocalSaliencyRecall(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(recall).isEqualTo(1);
double f1 = ExplainabilityMetrics.getLocalSaliencyF1(decision, model, limeExplainer, distribution, k, chunkSize);
assertThat(f1).isEqualTo(1);
}
Aggregations