output.getBuffer().toString());
// Output meta information
sb = new StringBuilder();
sb.append(classifier.toString() + LF);
sb.append(eval.toSummaryString() + LF);
sb.append(eval.toMatrixString() + LF);
FileUtils.writeStringToFile(
new File(OUTPUT_DIR + "/" + testDataset.toString() + "/" + wekaClassifier.toString() + "/" + testDataset.toString() + ".meta.txt"),
sb.toString());