public static void trainModel(Instances dataTrain, Instances dataTest) { try { LibLINEAR classifier = new LibLINEAR(); classifier.setBias(10); classifier.buildClassifier(dataTrain); Evaluation eval = new Evaluation(dataTrain); eval.evaluateModel(classifier, dataTest); System.out.println(eval.toSummaryString("\nResults\n======\n", false)); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }