log.info("Splitting the data");
Data train = data.clone();
Data test = train.rsplit(rng, (int) (data.size() * 0.1));
int[] trainLabels = train.extractLabels();
int[] testLabels = test.extractLabels();
DefaultTreeBuilder treeBuilder = new DefaultTreeBuilder();
SequentialBuilder forestBuilder = new SequentialBuilder(rng, treeBuilder, train);