SupervisedTrainer trainer = new NaiveBayesGaussianTrainer();
cv.multiValidate(features, trainer, 10, data, null, 0);
print("Maximum Entropy");
trainer = new MaxEntLBFGSTrainer();
cv.multiValidate(features, trainer, 10, data, null, 0);
print("SVM");
trainer = new MySVMTrainer();
cv.multiValidate(features, trainer, 10, data, null, 0);