System.exit(1);
}
final DataSet ds = DataSet.load(istream);
istream.close();
final List<BasicData> observations = ds.extractUnsupervisedLabeled(4);
final KMeans kmeans = new KMeans(3);
kmeans.initForgy(observations);
final int iterations = kmeans.iteration(1000);
System.out.println("Finished after " + iterations + " iterations.");