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NgHooiKheng

PROFILE

Nghooikheng

Developed a suite of Jupyter notebooks and documentation in the ryo-ngked/data-science-training-2025 repository to support data science training and onboarding. The work included authoring Python-based materials covering arithmetic, variables, data types, and functions, as well as hands-on exercises using the Titanic dataset. Expanded the project with end-to-end workflows for data cleaning, preprocessing, and visualization, featuring practical exercises on missing value imputation, scaling, date parsing, and character encodings. Leveraged pandas and Seaborn to demonstrate reproducible data analysis and visualization techniques. All contributions emphasized clear documentation, structured progress tracking, and reusable assets to accelerate learning and improve data quality.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

13Total
Bugs
0
Commits
13
Features
4
Lines of code
38
Activity Months2

Work History

September 2025

6 Commits • 2 Features

Sep 1, 2025

September 2025: Delivered two end-to-end notebooks in ryo-ngked/data-science-training-2025 that advance data cleaning, preprocessing, and visualization workflows. The Data Cleaning and Preprocessing Notebook Series provides practical exercises, checks, and techniques for handling missing values, scaling, date parsing, encodings, and inconsistent data entry, while the Data Visualization with Seaborn Notebook guides environment setup, loading FIFA rankings data, and plotting basic visualizations. No major bugs were reported this month; all work was committed with clear traceability. Business impact includes faster data preparation, improved data quality, and reusable training assets that shorten time-to-insight for data science initiatives. Technologies demonstrated include Python, Jupyter notebooks, pandas-based preprocessing patterns, data quality checks, and Seaborn visualizations.

August 2025

7 Commits • 2 Features

Aug 1, 2025

Summary for 2025-08: Delivered two core materials for the data science training program: (1) Intro to Python Programming Notebooks covering arithmetic, variables, data types, and functions, including a Titanic dataset example and hands-on exercises; (2) Documentation: Progress Tracking and Learning Plan featuring a structured README progress template and guidance for next steps. No major bugs fixed this month. Business impact: accelerated learner onboarding, improved visibility into study progress, and a scalable materials baseline that supports consistent practice and future course expansion. Technical achievements and skills demonstrated: Jupyter notebook authoring, Python fundamentals pedagogy, data-science workflow concepts, Git/version-control discipline with clear commit history, and documentation best practices.

Activity

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Quality Metrics

Correctness97.0%
Maintainability97.0%
Architecture95.4%
Performance95.4%
AI Usage23.0%

Skills & Technologies

Programming Languages

Jupyter NotebookMarkdownPython

Technical Skills

Basic Arithmetic OperationsBoolean LogicCharacter EncodingsData AnalysisData CleaningData PreprocessingData ScienceData TypesData VisualizationData WranglingDate ParsingDocumentationFuzzyWuzzyIntro to ProgrammingJupyter Notebook

Repositories Contributed To

1 repo

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

ryo-ngked/data-science-training-2025

Aug 2025 Sep 2025
2 Months active

Languages Used

Jupyter NotebookMarkdownPython

Technical Skills

Basic Arithmetic OperationsBoolean LogicData AnalysisData ScienceData TypesDocumentation