final Map<String, Integer> species = ds.encodeOneOfN(4);
istream.close();
RBFNetwork network = new RBFNetwork(4, 4, 3);
final List<BasicData> trainingData = ds.extractSupervised(0, 4, 4, 3);
ScoreFunction score = new ScoreRegressionData(trainingData);
ContinuousACO train = new ContinuousACO(network, score, 30);