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nabenabe0928/README.md

Hi there 👋 I'm Shuhei Watanabe

I am a Research Engineer at Preferred Networks Inc. Prior to the company, I was studying at the University of Freiburg under the supervision of Prof. Frank Hutter. My specialization lies in Hyperparameter optimization and the interpretation of its results.

Website - GH Pages

Shuhei's GitHub stats

🎓 Recent Publications

➡️ All publications...

📫 Email: shuhei.watanabe.utokyo@gmail.com

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  1. tpe Public

    The tree-structured Parzen estimator (TPE) implementation and the simple running code for it

    Python 64 4

  2. constrained-tpe Public

    [IJCAI'23] c-TPE: Tree-structured Parzen Estimator with Inequality Constraints for Expensive Hyperparameter Optimization

    Jupyter Notebook 8 2

  3. local-anova Public

    [IJCAI'23] PED-ANOVA: Efficiently Quantifying Hyperparameter Importance in Arbitrary Subspaces

    Python 8

  4. meta-learn-tpe Public

    [IJCAI'23] Speeding Up Multi-Objective Hyperparameter Optimization by Task Similarity-Based Meta-Learning for the Tree-Structured Parzen Estimator

    Jupyter Notebook 10 3

  5. mfhpo-simulator Public

    [Python3] The simulator for multi-fidelity or parallel optimization using tabular or surrogate benchmarks

    Python 7

  6. empirical-attainment-func Public

    [Python3] The visualization for multi-objective optimization based on empirical attainment function.

    Python 5 1

2,292 contributions in the last year

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Activity overview

Contributed to optuna/optuna, optuna/optunahub-registry, optuna/optuna-integration and 37 other repositories
Loading A graph representing nabenabe0928's contributions from April 07, 2024 to April 10, 2025. The contributions are 74% commits, 13% code review, 10% pull requests, 3% issues.

Contribution activity

April 2025

Created 5 commits in 3 repositories

Created a pull request in optuna/optuna that received 3 comments

Fix type checking in optuna._callbacks.py

Motivation This PR partially resolves: #6029 Description of the changes Fix callbacks.py

+9 −4 lines changed • 3 comments
Reviewed 6 pull requests in 3 repositories

Created an issue in scipy/scipy that received 6 comments

BUG: The status of scipy.optimize.milp is not accurate

Describe your issue. Why doesn't scipy.optimize.milp give any errors and simply say an optimal solution was found even if one of the bounds was vio…

6 comments
Opened 2 other issues in 2 repositories
11 contributions in private repositories Apr 3 – Apr 9
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