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NathanDufournaud

PROFILE

Nathandufournaud

Developed two end-to-end data science features in the racousin/data_science_practice_2024 repository, focusing on forecasting and data exploration workflows. Built a quantity sold prediction pipeline that automated data collection, preprocessing, feature engineering, and linear regression modeling to generate submission files based on product and store attributes. Delivered a Jupyter Notebook for data collection and exploratory analysis, enabling efficient CSV ingestion and initial visualization of numerical features. Employed Python, pandas, and scikit-learn to ensure reproducible, version-controlled workflows. The work improved forecasting reliability and accelerated data understanding, with all development tracked through explicit commits and notebook-based documentation for transparency and reproducibility.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

3Total
Bugs
0
Commits
3
Features
2
Lines of code
7,491
Activity Months1

Work History

November 2024

3 Commits • 2 Features

Nov 1, 2024

Concise monthly summary for 2024-11: Delivered two end-to-end data science features in racousin/data_science_practice_2024 that directly support forecasting and data exploration workflows. Overall impact: enabled more reliable quantity_sold forecasting, faster data understanding for module 3, and improved reproducibility through notebook-based workflows and explicit commit traceability. Technologies/skills demonstrated: Python, pandas, Jupyter notebooks, data collection pipelines, feature engineering, linear regression baseline modeling, and version-controlled development.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance60.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonSQL

Technical Skills

API IntegrationBeautifulSoupData AnalysisData CleaningData CollectionData MergingData PreprocessingData VisualizationFeature EngineeringJupyter NotebookLinear RegressionMachine LearningMatplotlibModel TrainingPandas

Repositories Contributed To

1 repo

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

racousin/data_science_practice_2024

Nov 2024 Nov 2024
1 Month active

Languages Used

PythonSQL

Technical Skills

API IntegrationBeautifulSoupData AnalysisData CleaningData CollectionData Merging