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Marcus Yong

PROFILE

Marcus Yong

During two months on the Yihe-Harry/DSA3101-Group-Project repository, this developer delivered end-to-end deployment of churn, ROI, and customer preference prediction models, integrating pre-trained XGBoost and K-means artifacts into a Streamlit dashboard with Flask APIs. They enhanced data loading by supporting Excel files via openpyxl and improved model transparency by surfacing RMSE metrics. Their work included reorganizing the project’s directory structure for maintainability and onboarding, standardizing asset management, and refining dashboard input precision for marketing metrics. Using Python, Pandas, and Docker, they addressed both backend integration and data engineering challenges, demonstrating depth in model deployment and scalable code organization.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

20Total
Bugs
1
Commits
20
Features
11
Lines of code
122,741
Activity Months2

Work History

April 2025

12 Commits • 6 Features

Apr 1, 2025

April 2025 monthly summary for Yihe-Harry/DSA3101-Group-Project. Delivered end-to-end churn model deployment with data loading enhancements (xlsx/openpyxl) and compatibility fixes; launched ROI Prediction, Customer Preference Prediction, and Customer Clustering features with pre-trained artifacts and API endpoints; added Prediction Results Transparency and refined dashboard parameter input precision for campaign metrics. These efforts enabled faster deployments, improved data-driven decision-making for churn reduction and marketing optimization, and stronger governance of model predictions.

March 2025

8 Commits • 5 Features

Mar 1, 2025

Month: 2025-03 – Delivered refactor-oriented improvements focused on project structure, directory organization, and UI assets to enable faster onboarding, clearer component separation, and smoother UI iteration. The changes emphasize maintainability, readability, and scalable asset handling as the project evolves.

Activity

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Quality Metrics

Correctness92.0%
Maintainability93.0%
Architecture90.0%
Performance86.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSVDockerfileExcelJupyter NotebookMarkdownPythonSQL

Technical Skills

API DevelopmentAPI IntegrationBackend IntegrationCode OrganizationCustomer SegmentationData AnalysisData EngineeringData ModelingData OrganizationData PreprocessingData ScienceData VisualizationDirectory ManagementFile ManagementFile System Operations

Repositories Contributed To

1 repo

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

Yihe-Harry/DSA3101-Group-Project

Mar 2025 Apr 2025
2 Months active

Languages Used

CSVExcelJupyter NotebookMarkdownPythonDockerfileSQL

Technical Skills

Code OrganizationData OrganizationDirectory ManagementFile ManagementFile System OperationsRefactoring

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