pharmaverse/pharmaversesdtm
Jan 2025 – Jun 2026
5 Months active
Languages Used
RUnknownMarkdownplaintext
Technical Skills
CDISC SDTMData CleaningData WranglingData documentationRR package development
Stefan Bundfuss
PROFILE
Stefan Bundfuss
Worked on the pharmaverse/pharmaversesdtm repository to deliver standardized oncology and neurology datasets, aligning data models with GCIG, PCWG, and Lugano 2014 criteria to improve data quality and cross-study comparability. Applied R and tidyverse for data wrangling, statistical modeling, and workflow automation, focusing on cleaning, restructuring, and documenting datasets for downstream analytics. Enhanced package metadata, contributor attribution, and documentation using Markdown and plaintext, ensuring traceability and compliance. Implemented event-driven workflow triggers to automate domain-specific processes, reduced manual intervention, and maintained rigorous version control. Addressed data misclassification and technical debt, emphasizing maintainability and reproducibility throughout the development process.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
15Total
Bugs
1
Commits
15
Features
5
Lines of code
1,048
Activity Months5
Your Network
36 peopleSame Organization
@roche.com10
Shared Repositories
26
Xiao ChenMember
Andrii YurovskyiMember
Anders AskelandMember
BhagatMember
BhagatMember
BhagatMember
BhagatMember
Kristin DahnertMember
Edoardo ManciniMember
Work History
June 2026
8 Commits • 1 Features
Jun 1, 2026June 2026 monthly summary for pharmaversesdtm: Implemented a key data model overhaul to align the lymphoma dataset with Lugano 2014 response criteria, removed legacy processing file, and refreshed dataset documentation and formatting. Focused on data quality, maintainability, and readiness for downstream analytics.
8 Commits • 1 Features
Jun 1, 2026June 2026 monthly summary for pharmaversesdtm: Implemented a key data model overhaul to align the lymphoma dataset with Lugano 2014 response criteria, removed legacy processing file, and refreshed dataset documentation and formatting. Focused on data quality, maintainability, and readiness for downstream analytics.
June 2026
December 2025
3 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary for pharmaversesdtm focusing on data quality improvements and documentation. Delivered PCWG-aligned dataset updates to reduce misclassifications in neurology and oncology datasets, along with updated documentation detailing column counts and test names. Implemented WORDLIST spelling corrections to improve data accuracy and validation. All changes are tracked with explicit commits for traceability (#193).
December 2025
3 Commits • 1 Features
Dec 1, 2025December 2025 monthly summary for pharmaversesdtm focusing on data quality improvements and documentation. Delivered PCWG-aligned dataset updates to reduce misclassifications in neurology and oncology datasets, along with updated documentation detailing column counts and test names. Implemented WORDLIST spelling corrections to improve data accuracy and validation. All changes are tracked with explicit commits for traceability (#193).
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. This month focused on delivering automation enhancements in pharmaverse/pharmaversesdtm. Key feature delivered: ADA IS Domain Based Workflow Trigger, enabling workflows to be triggered by ADA IS Domain events, improving automation, responsiveness, and domain-aligned governance. The change was implemented in repo pharmaverse/pharmaversesdtm, with commit 6a38d32f9599ff93a32fa54a7c0a9ba024908551 and message '#183 Add_IS_Domain_for_ADA: trigger workflows'. Impact: reduces manual intervention, speeds ADA-domain event processing, and strengthens compliance with IS Domain strategy. Technologies/skills demonstrated: event-driven automation, domain-based workflow triggers, version control (Git), and repository-level integration.
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. This month focused on delivering automation enhancements in pharmaverse/pharmaversesdtm. Key feature delivered: ADA IS Domain Based Workflow Trigger, enabling workflows to be triggered by ADA IS Domain events, improving automation, responsiveness, and domain-aligned governance. The change was implemented in repo pharmaverse/pharmaversesdtm, with commit 6a38d32f9599ff93a32fa54a7c0a9ba024908551 and message '#183 Add_IS_Domain_for_ADA: trigger workflows'. Impact: reduces manual intervention, speeds ADA-domain event processing, and strengthens compliance with IS Domain strategy. Technologies/skills demonstrated: event-driven automation, domain-based workflow triggers, version control (Git), and repository-level integration.
October 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for pharmaversesdtm repo. Focused on contributor attribution and package metadata quality to improve collaboration and compliance. Updated author metadata to include Tomoyuki Namai and ensured consistent attribution across DESCRIPTION and Rd docs. No major bug fixes were recorded in this period; work centered on documentation, metadata integrity, and contributor recognition to streamline future contributions.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for pharmaversesdtm repo. Focused on contributor attribution and package metadata quality to improve collaboration and compliance. Updated author metadata to include Tomoyuki Namai and ensured consistent attribution across DESCRIPTION and Rd docs. No major bug fixes were recorded in this period; work centered on documentation, metadata integrity, and contributor recognition to streamline future contributions.
January 2025
2 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Focused on delivering standardized CA125 oncology response data model and improving data quality and documentation for downstream use in pharmaversesdtm. Key dataset delivery aligned with GCIG criteria, accompanied by substantive refactors and documentation enhancements to enable reliable cross-study analyses.
2 Commits • 1 Features
Jan 1, 2025Month: 2025-01 — Focused on delivering standardized CA125 oncology response data model and improving data quality and documentation for downstream use in pharmaversesdtm. Key dataset delivery aligned with GCIG criteria, accompanied by substantive refactors and documentation enhancements to enable reliable cross-study analyses.
January 2025
Activity
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Quality Metrics
Correctness98.6%
Maintainability98.6%
Architecture97.4%
Performance97.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownRUnknownplaintext
Technical Skills
CDISC SDTMData CleaningData WranglingData documentationDocumentationPackage ManagementRR package developmentR programmingdata analysisdata managementdata manipulationdata processingdocumentationstatistical modeling
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline