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Hideaki Imamura HideakiImamura

Researcher @ Preferred Networks, Inc. / Research on Machine Learning

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Preferred Networks
Tokyo
@mamurai1208

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694 contributions in the last year

Contribution activity

August 2020

optuna/optuna 43 commits

Created a pull request in optuna/optuna that received 1 comment

Aug 4

Add `GPyOpt` integration as `integrations/GpyoptSampler`

Depends on #1587. Motivation GPyOpt is one of the most famous Bayesian optimization libraries based on the Gaussian process bandit optimization. Th…

+705 −84 • 1 comment

Add tfkeras simple example Aug 23
Fix incorrect type annotations for args and kwargs Aug 22
Deprecate `optuna.integration.KerasPruningCallback` Aug 22
Update type hints in `optuna/pruners/_base.py` and `optuna/pruners/_successive_halving.py` Aug 22
Add type hints to `test_optimization_history.py` Aug 22
Add `pyproject.toml` for easier use of black. Aug 22
Enable flake8 E231 Aug 21
Add type hints into optuna/dashboard.py, optuna/integration/__init__.py Aug 20
Add type hints to optuna/trial Aug 20
Ignore vscode configs Aug 20
LightGBM Tuner import code fixes Aug 20
Add type hints to optuna/storages/__init__.py Aug 20
Add type hints integration/_lightgbm_tuner Aug 20
Remove generated directories with `make clean` Aug 20
Fix `docs/Makefile` Aug 20
Use cache-from to build docker image faster Aug 19
Add code comment about n_ei_candidates for categorical parameters. Aug 18
Refactor TPE's `sample_from_categorical_dist` Aug 17
Add link to examples in tutorial Aug 17
Add type hints into optuna/integration/keras.py Aug 17
Add `.dockerignore`. Aug 14
Fix invalid YAML syntax Aug 13
[DEPENDS ON #1594] Add `cache` to GitHub Actions Workflows Aug 12
Update key features. Aug 12
Add a news section to `README.md` Aug 11
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Created an issue in optuna/optuna that received 3 comments

Aug 18

Document how each sampler treat pruned trials and failed trials

Motivated by useful discussions at #1552. Motivation How each sampler in Optuna treat pruned trials and failed trials is different depending on eac…

3 comments