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배동혁

PROFILE

배동혁

Over a three-month period, contributed a suite of nine machine learning education assets to the CUAI-CAU/2025_Basic_Track_Assignment repository, focusing on reproducible workflows and onboarding support. Developed Jupyter Notebooks covering foundational topics such as NumPy operations, regression and classification models, ensemble methods, and dimensionality reduction, using Python and scikit-learn. Implemented practical examples on datasets like Titanic, MNIST, Iris, and Boston housing, emphasizing model evaluation, hyperparameter tuning, and visualization with Matplotlib and Seaborn. Prioritized repository organization by standardizing file naming and removing outdated artifacts, resulting in a maintainable resource for learners and streamlined knowledge transfer without major bug fixes.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

17Total
Bugs
0
Commits
17
Features
9
Lines of code
25,301
Activity Months3

Work History

May 2025

5 Commits • 5 Features

May 1, 2025

May 2025: Delivered a cohesive set of five feature notebooks in CUAI-CAU/2025_Basic_Track_Assignment, focusing on practical ML model evaluation, tree-based methods, regression trees, dimensionality reduction, and advanced ensemble/hyperparameter tuning. The assets are designed for reproducibility and business-ready demonstrations, covering datasets such as Titanic, MNIST, Iris, Boston housing, and breast cancer.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 performance summary: Key deliverable was an ML Tutorials Notebook for regression and classification in CUAI-CAU/2025_Basic_Track_Assignment, providing end-to-end workflows for linear regression models (Ridge, Lasso, ElasticNet) and Logistic Regression, including data transformation and hyperparameter tuning. The notebook serves as a practical guide for applying ML algorithms to real datasets and improving reproducibility of learning resources.

March 2025

11 Commits • 3 Features

Mar 1, 2025

March 2025 (CUAI-CAU/2025_Basic_Track_Assignment) — Delivered foundational ML education assets and improved repository hygiene to support onboarding, learning outcomes, and reproducibility. Key deliverables include Kaggle Basics Data/Assets for the 1-week track, a set of foundational ML notebooks (NumPy basics, Titanic with Pandas, regression, ensemble, and clustering), and standardized naming with cleanup of outdated notebooks. No major bugs fixed this month; the work focused on feature delivery and maintainability. Total commits: 11 across three feature areas, demonstrating consistent Git discipline.

Activity

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Quality Metrics

Correctness89.4%
Maintainability88.2%
Architecture88.2%
Performance87.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONJupyter NotebookPythonSQL

Technical Skills

Array OperationsClassificationClassification MetricsCross-ValidationData AnalysisData ManipulationData PreprocessingData ScienceData VisualizationDecision TreesDimensionality ReductionEducational Content CreationEnsemble MethodsFeature ScalingFile Management

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

CUAI-CAU/2025_Basic_Track_Assignment

Mar 2025 May 2025
3 Months active

Languages Used

JSONJupyter NotebookPythonSQL

Technical Skills

Array OperationsCross-ValidationData AnalysisData ManipulationData PreprocessingData Science