pp.removeTargetPipe();
KNNClassifier knn=new KNNClassifier(trainset, pp, sim, af2, 7);
af2.setStopIncrement(true);
System.out.print("..Training compelte!\n");
System.out.print("Saving model...\n");
knn.saveTo(knnModelFile);
knn = null;
System.out.print("..Saving model compelte!\n");
System.out.print("Loading model...\n");