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Roy Raphael

PROFILE

Roy Raphael

Raphael Roy developed a suite of analytics and machine learning tools for the blackSwanCS/Higgs_collaboration_B repository, focusing on model evaluation, interpretability, and robust data handling. He implemented correlation analysis and multi-jet visualization to support cross-scenario feature assessment, and built an end-to-end Boosted Decision Tree classification pipeline using Python, XGBoost, and scikit-learn. Raphael also created a feature importance visualization suite and an interactive histogram tool for signal and background data exploration. His work included refining feature shift analysis with Wasserstein distance metrics and improving data cleaning, demonstrating depth in data science, model persistence, and visualization within a Jupyter Notebook environment.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

15Total
Bugs
0
Commits
15
Features
7
Lines of code
3,025
Activity Months1

Work History

June 2025

15 Commits • 7 Features

Jun 1, 2025

June 2025 performance summary for blackSwanCS/Higgs_collaboration_B: Delivered a targeted set of analytics and ML capabilities to enhance model evaluation, interpretability, and data handling, with a focus on cross-jet insights and robust feature analysis.

Activity

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Quality Metrics

Correctness82.0%
Maintainability83.4%
Architecture73.4%
Performance69.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

Jupyter NotebookPython

Technical Skills

Code CleanupData AnalysisData CleaningData ScienceData VisualizationJoblibJupyter NotebookLightGBMMachine LearningMatplotlibModel PersistencePandasPicklePythonScikit-learn

Repositories Contributed To

1 repo

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

blackSwanCS/Higgs_collaboration_B

Jun 2025 Jun 2025
1 Month active

Languages Used

Jupyter NotebookPython

Technical Skills

Code CleanupData AnalysisData CleaningData ScienceData VisualizationJoblib

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