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lgy7721

PROFILE

Lgy7721

Over a two-month period, Lee Gyuyoung developed a suite of educational machine learning notebooks for the CUAI-CAU/2025_Basic_Track_Assignment repository. Lee focused on building end-to-end workflows in Python and Jupyter Notebook, covering data loading, preprocessing, model training, evaluation, and visualization. The notebooks addressed core topics such as regression, clustering, and classification using libraries like NumPy, Pandas, and scikit-learn. By establishing reproducible, version-controlled content, Lee enabled scalable onboarding and hands-on learning for new data science students. The work demonstrated depth in both technical implementation and curriculum design, providing reusable artifacts that support assessment, reproducibility, and curriculum expansion without reported bugs.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

16Total
Bugs
0
Commits
16
Features
3
Lines of code
14,714
Activity Months2

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025: Implemented ML assignment notebooks in CUAI-CAU/2025_Basic_Track_Assignment to deliver practical ML learning artifacts. Focused on end-to-end coverage of data loading, model training, evaluation, and visualization across three notebooks for accuracy metrics, decision tree visualization and overfitting analysis, and regression trees. This work enhances learner onboarding, assessment readiness, and reproducibility.

March 2025

15 Commits • 2 Features

Mar 1, 2025

March 2025 – CUAI-CAU/2025_Basic_Track_Assignment: Delivered two feature-rich notebook suites establishing foundational data science skills and end-to-end ML workflows. Features delivered: NumPy and Pandas Fundamentals Notebooks with data loading and basic manipulation; Machine Learning Notebooks and Tutorials covering data loading, preprocessing, model training/evaluation, clustering, regression, and classification across Iris, Titanic, and Kaggle tasks. Major bugs fixed: No explicit major bugs reported; ongoing refinements and asset consistency updates were performed. Overall impact: Ready-to-use educational content enabling faster onboarding, reusable curriculum for scalable learning, and demonstrable value to learners and instructors. Technologies/skills demonstrated: Python, NumPy, Pandas, scikit-learn-like ML workflows, notebook-based pedagogy, data loading pipelines, visualization assets.

Activity

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Quality Metrics

Correctness81.4%
Maintainability78.8%
Architecture76.2%
Performance76.4%
AI Usage22.4%

Skills & Technologies

Programming Languages

Jupyter NotebookPython

Technical Skills

Array OperationsCross-ValidationCross-validationData AnalysisData ClusteringData EncodingData ExplorationData ManipulationData PreprocessingData ScienceData VisualizationDecision TreesElasticNet RegressionFeature EngineeringFeature Scaling

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
2 Months active

Languages Used

Jupyter NotebookPython

Technical Skills

Array OperationsCross-ValidationCross-validationData AnalysisData ClusteringData Encoding

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