// test na zbytku dat
extractor = new FeatureExtractor<Review>(set);
TrainingFeatureVectorList tfvl = extractor.extractTrainingFeatures(instances);
if (filter != null) {
FilterTrainer filterTrainer = new BasicFilterTrainer();
filterTrainer.train(tfvl);
tfvlReduction += filter.filter(tfvl, minWeight, filterTrainer);
}
classifier = trainer.train(tfvl);