INFO - 03/07/20 10:20:17 - 0:00:00 - load iris dataset
INFO - 03/07/20 10:20:17 - 0:00:00 - dataset size: train=105, valid=45
INFO - 03/07/20 10:20:17 - 0:00:00 - start training
INFO - 03/07/20 10:20:17 - 0:00:00 - end training
