2019/03/30 @Chainer Meetup #09
regonn/chainer trainer.ipynb https://gist.github.com/regonn/d2acf5a20a1b3ec34d8e483af510b4a3
regonn/chainer trainer-optuna.ipynb https://gist.github.com/regonn/9eb7ff68ac3a5a3201523bd6267953dd