HWTeng-Teaching/202509-Statistics
Sep 2025 – Dec 2025
4 Months active
Languages Used
MarkdownPythonNoneUnknown
Technical Skills
Data AnalysisData PresentationData VisualizationDocumentationMatplotlibNumPy
forworksung-creator
PROFILE
Forworksung-creator
Sung developed and maintained the HWTeng-Teaching/202509-Statistics repository, delivering over 100 new features and extensive content updates across statistical chapters. He authored and refined Markdown-based Q&A materials, implemented automated test scaffolding, and standardized documentation to improve onboarding and curriculum reliability. Using Python, Pandas, and Markdown, Sung ensured content consistency, traceability, and auditability through disciplined version control and structured commits. His work included data analysis, statistical modeling, and visualization, addressing both technical accuracy and educational clarity. By cleaning up legacy paths and fixing broken references, Sung enhanced repository maintainability, enabling scalable content management and supporting faster learner readiness for deployment.
Overall Statistics
Feature vs Bugs
94%Features
Repository Contributions
257Total
Bugs
6
Commits
257
Features
100
Lines of code
2,078
Activity Months4
Your Network
24 people
Work History
December 2025
85 Commits • 35 Features
Dec 1, 2025Month: 2025-12 | Repository: HWTeng-Teaching/202509-Statistics Key features delivered: - CH09.01 Q13-Q15 content: markdowns created and updated (CH09.01_Q13/14/15); commits include 34eaa60a9131eb6e711e7fec4ae3a06f0a2e1993, 32dbc50a4408fe6e407899cfba740a1311a61887, 21c00025f6a786cc7076e688f1a7086a28e13b4e, 8438cd25437651f2d860047a7bdd5e50d17cb34b, c8bbabc6ea551d772db01b1936b2310c7b4c4b4a, 3be6828b727c22dab2d0c56363eb53c803650010. - CH09.02 Q24-Q25 content: markdowns created (CH09.02_Q24.md, CH09.02_Q25.md); commits 3b8858bc71dc7509caaaeaa78c626aeab08f7df6, 0798593c2587850be49b7a63daff6bb170ce5b4d. - CH09.04 Q07-Q09 content: markdowns created (CH09.04_Q07.md, CH09.04_Q09.md); commits 692874d88f9fad297f1f5e490a76e4d550457807, 9e97d07141c7129317efca3b9d0e41235d49f83d. - CH10.01 Q01 content: CH10.01_Q01.md created; commit e57b36c8e6be9b0c241c327d654f2a0919c6f585. - CH10.02 Q22-Q30 content: Q22.md and Q30.md created; commits 8081a7ccedad24abf92c0512c21c3b11ace16521, 734ca7d1626a254a7cfeb68b3e296f79f6e64e8c. - CH10.05 Q07-Q09 content: Q07.md and Q09.md created; commits 7bc42b53532de9e71ec4f6c870bbb56c6637639d, a35dece00f5d89fd31cc06245747bedc1fb27c92. - Chapter 11.02 content: CH11.02_Q3.md, CH11.02_Q03.md, CH11.02_Q08.md created; and CH11.02_Q15.md created/updated across several commits. - Chapter 12: content expansions and cleanup including CH12.01_Q22.md, CH12.02_Q04.md, CH12.02_Q10.md, CH12.02_Q13.md, CH12.03_Q01.md, CH12.03_Q09(a,b,c).md, and cleanup of CH12.01_22 to fix broken reference. Major bugs fixed: - CH12.01 cleanup: Removed obsolete 17009_宋明峰/HW1206/CH12.01_22 to fix broken reference and restore material integrity. - Ongoing alignment fixes across CH09/CH10/CH11/CH12 problem statements for consistency and formatting. Overall impact and accomplishments: - Substantially expanded and polished practice content (chapters 9–12), enhancing learner coverage, material reliability, and maintainability. - Reduced risk of broken references and formatting inconsistencies through targeted cleanup and documentation updates. - Enabled faster onboarding and better assessment readiness by standardizing markdown templates and problem statements across multiple chapters. Technologies/skills demonstrated: - Markdown authoring and content templating for scalable curriculum delivery. - Git-based collaboration with descriptive, traceable commits across dozens of files. - Content governance: regular documentation updates, consistent formatting, and cross-chapter quality assurance.
85 Commits • 35 Features
Dec 1, 2025Month: 2025-12 | Repository: HWTeng-Teaching/202509-Statistics Key features delivered: - CH09.01 Q13-Q15 content: markdowns created and updated (CH09.01_Q13/14/15); commits include 34eaa60a9131eb6e711e7fec4ae3a06f0a2e1993, 32dbc50a4408fe6e407899cfba740a1311a61887, 21c00025f6a786cc7076e688f1a7086a28e13b4e, 8438cd25437651f2d860047a7bdd5e50d17cb34b, c8bbabc6ea551d772db01b1936b2310c7b4c4b4a, 3be6828b727c22dab2d0c56363eb53c803650010. - CH09.02 Q24-Q25 content: markdowns created (CH09.02_Q24.md, CH09.02_Q25.md); commits 3b8858bc71dc7509caaaeaa78c626aeab08f7df6, 0798593c2587850be49b7a63daff6bb170ce5b4d. - CH09.04 Q07-Q09 content: markdowns created (CH09.04_Q07.md, CH09.04_Q09.md); commits 692874d88f9fad297f1f5e490a76e4d550457807, 9e97d07141c7129317efca3b9d0e41235d49f83d. - CH10.01 Q01 content: CH10.01_Q01.md created; commit e57b36c8e6be9b0c241c327d654f2a0919c6f585. - CH10.02 Q22-Q30 content: Q22.md and Q30.md created; commits 8081a7ccedad24abf92c0512c21c3b11ace16521, 734ca7d1626a254a7cfeb68b3e296f79f6e64e8c. - CH10.05 Q07-Q09 content: Q07.md and Q09.md created; commits 7bc42b53532de9e71ec4f6c870bbb56c6637639d, a35dece00f5d89fd31cc06245747bedc1fb27c92. - Chapter 11.02 content: CH11.02_Q3.md, CH11.02_Q03.md, CH11.02_Q08.md created; and CH11.02_Q15.md created/updated across several commits. - Chapter 12: content expansions and cleanup including CH12.01_Q22.md, CH12.02_Q04.md, CH12.02_Q10.md, CH12.02_Q13.md, CH12.03_Q01.md, CH12.03_Q09(a,b,c).md, and cleanup of CH12.01_22 to fix broken reference. Major bugs fixed: - CH12.01 cleanup: Removed obsolete 17009_宋明峰/HW1206/CH12.01_22 to fix broken reference and restore material integrity. - Ongoing alignment fixes across CH09/CH10/CH11/CH12 problem statements for consistency and formatting. Overall impact and accomplishments: - Substantially expanded and polished practice content (chapters 9–12), enhancing learner coverage, material reliability, and maintainability. - Reduced risk of broken references and formatting inconsistencies through targeted cleanup and documentation updates. - Enabled faster onboarding and better assessment readiness by standardizing markdown templates and problem statements across multiple chapters. Technologies/skills demonstrated: - Markdown authoring and content templating for scalable curriculum delivery. - Git-based collaboration with descriptive, traceable commits across dozens of files. - Content governance: regular documentation updates, consistent formatting, and cross-chapter quality assurance.
December 2025
November 2025
52 Commits • 22 Features
Nov 1, 2025November 2025 (2025-11) - HWTeng-Teaching/202509-Statistics: Delivered 11 new Markdown Q&A files across chapters 07–08 (CH07.02_Q07, Q08, Q09; CH07.03_Q15, Q23; CH07.05_Q28, Q31; CH08.02_Q25, Q26; CH08.03_Q17, Q24) and executed extensive content refinements in Batch 2–3 for Q07/Q08/Q09, Q15, Q23, Q28, Q31, Q25/Q26, Q17/Q24. These updates used a disciplined commit history to ensure accuracy, readability, and maintainability. Result: expanded course coverage, higher-quality resources, and auditable changes.
November 2025
52 Commits • 22 Features
Nov 1, 2025November 2025 (2025-11) - HWTeng-Teaching/202509-Statistics: Delivered 11 new Markdown Q&A files across chapters 07–08 (CH07.02_Q07, Q08, Q09; CH07.03_Q15, Q23; CH07.05_Q28, Q31; CH08.02_Q25, Q26; CH08.03_Q17, Q24) and executed extensive content refinements in Batch 2–3 for Q07/Q08/Q09, Q15, Q23, Q28, Q31, Q25/Q26, Q17/Q24. These updates used a disciplined commit history to ensure accuracy, readability, and maintainability. Result: expanded course coverage, higher-quality resources, and auditable changes.
October 2025
45 Commits • 16 Features
Oct 1, 2025October 2025 performance summary for HWTeng-Teaching/202509-Statistics: - Delivered a robust test scaffolding foundation to enable automated checks and CI readiness for the repository. - Created and refined a broad set of Markdown Q&A content across CH05 and CH06 topics (CH05.01_Q28/Q34, CH05.02_Q44, CH005.02_Q47, CH06.02_Q59/Q51, CH06.03_Q17/Q20) with multiple, traceable commits to ensure accuracy, consistency, and readiness for instructional deployment. - Strengthened repository hygiene by removing obsolete test artifacts (cleanup of 17009_宋明峰/HW1011/test). - Performed extensive updates and renames to improve naming consistency and maintainability (e.g., CH005.02_Q47.md -> CH05.02_Q47.md and related updates), along with ongoing refinements to CH05.01_Q34.md, CH05.02_Q44.md, CH06.02_Q51.md, CH06.02_Q59.md, CH06.03_Q17.md, and CH06.03_Q20.md. - Demonstrated end-to-end content authoring, version-control discipline, and ability to align curriculum materials with project structure and future deployment needs.
45 Commits • 16 Features
Oct 1, 2025October 2025 performance summary for HWTeng-Teaching/202509-Statistics: - Delivered a robust test scaffolding foundation to enable automated checks and CI readiness for the repository. - Created and refined a broad set of Markdown Q&A content across CH05 and CH06 topics (CH05.01_Q28/Q34, CH05.02_Q44, CH005.02_Q47, CH06.02_Q59/Q51, CH06.03_Q17/Q20) with multiple, traceable commits to ensure accuracy, consistency, and readiness for instructional deployment. - Strengthened repository hygiene by removing obsolete test artifacts (cleanup of 17009_宋明峰/HW1011/test). - Performed extensive updates and renames to improve naming consistency and maintainability (e.g., CH005.02_Q47.md -> CH05.02_Q47.md and related updates), along with ongoing refinements to CH05.01_Q34.md, CH05.02_Q44.md, CH06.02_Q51.md, CH06.02_Q59.md, CH06.03_Q17.md, and CH06.03_Q20.md. - Demonstrated end-to-end content authoring, version-control discipline, and ability to align curriculum materials with project structure and future deployment needs.
October 2025
September 2025
75 Commits • 27 Features
Sep 1, 2025September 2025 delivered foundational documentation and extensive content enhancements for HWTeng-Teaching/202509-Statistics. Key activities included establishing a robust README baseline, expanding and refining Markdown-based exercises across chapters 1–4, creating new scaffolds (HW0913, HW0927) and performing legacy-path cleanup, adding test files to improve QA coverage, and introducing a chapter case study. These efforts improved onboarding, learner engagement, and maintainability, while strengthening the repository’s content quality and consistency.
September 2025
75 Commits • 27 Features
Sep 1, 2025September 2025 delivered foundational documentation and extensive content enhancements for HWTeng-Teaching/202509-Statistics. Key activities included establishing a robust README baseline, expanding and refining Markdown-based exercises across chapters 1–4, creating new scaffolds (HW0913, HW0927) and performing legacy-path cleanup, adding test files to improve QA coverage, and introducing a chapter case study. These efforts improved onboarding, learner engagement, and maintainability, while strengthening the repository’s content quality and consistency.
Activity
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Quality Metrics
Correctness97.8%
Maintainability97.8%
Architecture97.2%
Performance98.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownNonePythonUnknown
Technical Skills
ANOVABinomial DistributionData AnalysisData PresentationData VisualizationDocumentationMarkdownMarkdown documentationMatplotlibNormal ApproximationNormal DistributionNumPyNumpyPandasProbability
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