IMSA-CMS/CMSAnalysis
Jan 2025 – Jan 2026
5 Months active
Languages Used
C++
Technical Skills
Data OrganizationFile ManagementC++C++ DevelopmentCode CleanupData Analysis
vivienne uenuma
PROFILE
Vivienne Uenuma
Worked on the IMSA-CMS/CMSAnalysis repository, delivering features that enhanced data analysis and visualization for particle physics research. Developed and integrated tools in C++ to standardize data naming conventions, support tau lepton event analysis, and improve channel identification and ROOT I/O reliability. Introduced utilities for configuration-driven fit validation and systematic uncertainty handling, enabling robust statistical modeling and reproducibility. Expanded the analytics toolkit by implementing 2D histogram visualization for mass versus eta and pt, supporting deeper cross-variable insights. Focused on code cleanliness, maintainability, and testability, while addressing merge conflicts and ensuring stable, high-quality workflows for scientific computing and data analysis.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
13Total
Bugs
2
Commits
13
Features
6
Lines of code
5,496
Activity Months5
Your Network
36 peopleSame Organization
@imsa.edu13
Shared Repositories
23
Aarya BajaJMember
Anwita KasturiMember
Anwita KasturiMember
Jayram PalamadaiMember
Blake HenningsMember
Brooke HobbsMember
fCameron EddingtonMember
Daniel LimosneroMember
Hannah ChenMember
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary for IMSA-CMS/CMSAnalysis: Delivered a new visualization capability by introducing 2D histograms for Mass vs Eta and Mass vs Pt, enriching data-analysis workflows for particle analysis. The feature provides analysts with immediate cross-variable insights, enabling faster identification of anomalies and tuning of analysis cuts. No major bugs reported; maintained stability while expanding the analytics toolkit. This work strengthens our data visualization foundation and supports faster decision-making in physics analyses.
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary for IMSA-CMS/CMSAnalysis: Delivered a new visualization capability by introducing 2D histograms for Mass vs Eta and Mass vs Pt, enriching data-analysis workflows for particle analysis. The feature provides analysts with immediate cross-variable insights, enabling faster identification of anomalies and tuning of analysis cuts. No major bugs reported; maintained stability while expanding the analytics toolkit. This work strengthens our data visualization foundation and supports faster decision-making in physics analyses.
January 2026
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 (Month 2025-11): Delivered systemic uncertainty handling in the CMSAnalysis project by extending FitTest and FitFunction to support systematic variations (up/down) of fit parameters and to list/manage systematics. This enhancement enables more robust uncertainty quantification, improves the reliability of physics analyses, and enhances reproducibility across runs. No major bugs reported this month; the focus was on feature delivery and clean integration with the existing analysis workflow. The work strengthens business value by enabling more accurate uncertainty estimates in results and reducing potential biases in fits.
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 (Month 2025-11): Delivered systemic uncertainty handling in the CMSAnalysis project by extending FitTest and FitFunction to support systematic variations (up/down) of fit parameters and to list/manage systematics. This enhancement enables more robust uncertainty quantification, improves the reliability of physics analyses, and enhances reproducibility across runs. No major bugs reported this month; the focus was on feature delivery and clean integration with the existing analysis workflow. The work strengthens business value by enabling more accurate uncertainty estimates in results and reducing potential biases in fits.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — IMSA-CMS/CMSAnalysis delivered a new testing utility 'FitTest' to validate loading and parameter display of fit functions from a configuration file, and enhanced the SuperPlot plotting to adjust parameters for a specific analysis channel. These changes improve QA reliability, configuration-driven validation, and visualization fidelity for critical workflows, contributing to faster verification cycles and higher confidence in fit analyses.
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — IMSA-CMS/CMSAnalysis delivered a new testing utility 'FitTest' to validate loading and parameter display of fit functions from a configuration file, and enhanced the SuperPlot plotting to adjust parameters for a specific analysis channel. These changes improve QA reliability, configuration-driven validation, and visualization fidelity for critical workflows, contributing to faster verification cycles and higher confidence in fit analyses.
October 2025
September 2025
8 Commits • 2 Features
Sep 1, 2025September 2025 Monthly Summary for IMSA-CMS/CMSAnalysis focusing on delivering analysis capabilities and code quality improvements that drive downstream business value in physics analyses. What was delivered: - Tau Lepton Support in the Analysis Framework: extended data collection, event processing, and filtering to correctly handle tau particles, enabling robust analysis of tau-containing events. Commits: 272291e9589a450c9971257e3ae9ecfb3f49d654; 50f2ac2cc169c7def210dbb1af02a918767aae71. - Channel Identification Naming Improvements and ROOT I/O Handling: refined GenSim and Reco channel naming in HPlusPlusDecayFilter and Utility; improved lepton signature representation; enhanced ROOT directory handling in writeRootObj for more reliable I/O. Commits: b34d804e95e6582c049da8564c4ccc3b715b9d6e; 5b011c913e1ddcabd1ba2a9a66417daf1a5b324e. - Merge Conflict Cleanup in CMSAnalysis: removed remaining merge conflict markers and restored code cleanliness after merges, reducing triage time in future integrations. Commits: 5c11fe1ab9eb4e284c9de20261a88091fc380e96; 4bbe44473a645a41cc41549b6036f5ee0c8512c6.
September 2025
8 Commits • 2 Features
Sep 1, 2025September 2025 Monthly Summary for IMSA-CMS/CMSAnalysis focusing on delivering analysis capabilities and code quality improvements that drive downstream business value in physics analyses. What was delivered: - Tau Lepton Support in the Analysis Framework: extended data collection, event processing, and filtering to correctly handle tau particles, enabling robust analysis of tau-containing events. Commits: 272291e9589a450c9971257e3ae9ecfb3f49d654; 50f2ac2cc169c7def210dbb1af02a918767aae71. - Channel Identification Naming Improvements and ROOT I/O Handling: refined GenSim and Reco channel naming in HPlusPlusDecayFilter and Utility; improved lepton signature representation; enhanced ROOT directory handling in writeRootObj for more reliable I/O. Commits: b34d804e95e6582c049da8564c4ccc3b715b9d6e; 5b011c913e1ddcabd1ba2a9a66417daf1a5b324e. - Merge Conflict Cleanup in CMSAnalysis: removed remaining merge conflict markers and restored code cleanliness after merges, reducing triage time in future integrations. Commits: 5c11fe1ab9eb4e284c9de20261a88091fc380e96; 4bbe44473a645a41cc41549b6036f5ee0c8512c6.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 — IMSA-CMS/CMSAnalysis: Implemented Dark Photon Data Collection Naming Convention Consistency, standardizing and renaming data-related text files to ensure uniform naming across years and runs. This reduces manual rework, improves data discoverability, and strengthens data provenance for downstream analyses. Delivered through two commits that fixed and solidified file naming: 43c348ed1131174a9e3dbbbd3fde97b7a8b26272 and c926779b8baaf1ec7238254d66479de5488f4a95.
2 Commits • 1 Features
Jan 1, 2025January 2025 — IMSA-CMS/CMSAnalysis: Implemented Dark Photon Data Collection Naming Convention Consistency, standardizing and renaming data-related text files to ensure uniform naming across years and runs. This reduces manual rework, improves data discoverability, and strengthens data provenance for downstream analyses. Delivered through two commits that fixed and solidified file naming: 43c348ed1131174a9e3dbbbd3fde97b7a8b26272 and c926779b8baaf1ec7238254d66479de5488f4a95.
January 2025
Activity
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Quality Metrics
Correctness77.0%
Maintainability77.0%
Architecture74.6%
Performance69.2%
AI Usage26.2%
Skills & Technologies
Programming Languages
C++
Technical Skills
C++C++ DevelopmentC++ programmingCode CleanupData AnalysisData OrganizationFile ManagementFull Stack DevelopmentParticle Physics AnalysisScientific ComputingSoftware DevelopmentSoftware Testingdata analysisdata visualizationhistogram analysis
Repositories Contributed To
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