INFO - 02/08/20 13:32:00 - 0:00:00 - load iris dataset
INFO - 02/08/20 13:32:00 - 0:00:00 - dataset size: train=105, valid=45
INFO - 02/08/20 13:32:00 - 0:00:00 - start training
INFO - 02/08/20 13:32:00 - 0:00:00 - end training
