
During February 2025, Simon Rionneau developed a unified parameter variation workflow for the DUNE/MaCh3_DUNE repository, consolidating multiple applications into a single, maintainable tool. He implemented YAML-driven configuration to automate systematic 1D and 2D parameter scans, enabling reproducible data analysis and streamlined event rate storage in ROOT files. His work included refactoring C++ histogram handling for improved reliability and clarity, as well as enhancing configuration management for atmospheric neutrino studies. By adding new atmospheric binning data assets and resolving a histogram casting bug, Simon demonstrated depth in build systems, code refactoring, and performance optimization, delivering robust solutions for systematic uncertainty analyses.

February 2025 monthly performance summary for DUNE/MaCh3_DUNE: Implemented a streamlined Variations workflow enabling systematic 2D/1D parameter scans with YAML-driven configuration, consolidated multiple variation apps into a single, maintainable tool, and enhanced histogram handling and configuration to improve reliability, reproducibility, and data-driven analyses. Added atmospheric binning data assets to support atmospheric analyses and resolved a histogram casting bug that could cause runtime failures.
February 2025 monthly performance summary for DUNE/MaCh3_DUNE: Implemented a streamlined Variations workflow enabling systematic 2D/1D parameter scans with YAML-driven configuration, consolidated multiple variation apps into a single, maintainable tool, and enhanced histogram handling and configuration to improve reliability, reproducibility, and data-driven analyses. Added atmospheric binning data assets to support atmospheric analyses and resolved a histogram casting bug that could cause runtime failures.
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