@Test
public void testRandomForest() {
RandomForest forest = RandomForest.create(10).setNumRandomFeaturesToChoose(10);
forest.train(mushroom.getFeatures(), mushroom.getOutcomes());
EvaluationResult res =
Evaluator.testClassifier(forest, mushroom.getFeatures(), mushroom.getOutcomes());
assertEquals(1d, res.getAccuracy(), 0.1);
}
@Test
public void testSerialization() throws IOException {
RandomForest forest = RandomForest.create(10).setNumRandomFeaturesToChoose(10);
forest.train(mushroom.getFeatures(), mushroom.getOutcomes());
EvaluationResult res =
Evaluator.testClassifier(forest, mushroom.getFeatures(), mushroom.getOutcomes());
assertEquals(1d, res.getAccuracy(), 0.1);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
RandomForest.serialize(forest, new DataOutputStream(baos));
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
RandomForest deserialized = RandomForest.deserialize(new DataInputStream(bais));
res = Evaluator.testClassifier(deserialized, mushroom.getFeatures(), mushroom.getOutcomes());
assertEquals(1d, res.getAccuracy(), 0.1);
}