Data Science Graduate
Ethan Ernesto Lopez
Machine Learning · Business Intelligence · Statistical Analysis
Machine Learning · Business Intelligence · Statistical Analysis
I recently graduated with a B.S. in Data Science from Chapman University, where I developed a passion for combining statistical analysis, machine learning, and behavioral research to solve complex problems. My work focuses on uncovering patterns that help organizations make better decisions, improve collaboration, and turn data into actionable insight.
Machine learning, statistical analysis, research, business intelligence, and data-driven decision making.
Analyzed team formation outcomes from 240+ STEM students using ANOVA, post-hoc testing, Social Network Analysis, and MR-QAP to investigate how communication diversity influences team persistence and collaboration.
Research PosterBuilt an end-to-end ML pipeline using Fitbit and Apple Watch data, evaluating six classification algorithms and achieving a ROC-AUC of 0.92.
View ProjectInvestigated 130,000+ Spotify songs using Tableau, statistical testing, and exploratory analysis to identify audio features associated with highly popular tracks.
View ResultsProcessed and modeled over 9 million booking records using clustering, classification, and regression techniques to uncover customer segments and behavioral trends.
View PresentationConducted a biostatistics follow-up study examining metabolic outcomes across treatment groups using ANOVA, hypothesis testing, and R programming.
Research PaperAnalyzed 10,000 student records using regression, clustering, and dimensionality reduction to identify factors associated with academic success and retention.
View AnalysisSoftware engineering, systems development, product design, user experience, and technical problem solving.
Leading the redesign of a real-world organizational website, improving user experience, appointment scheduling workflows, mobile responsiveness, and long-term scalability.
View WebsiteDesigned an HCI-focused project management application supporting team accountability, contribution visibility, peer evaluations, and instructor oversight.
View PrototypeDeveloped a lightweight database framework in C++ supporting structured storage, querying, ingestion, and scalable system design.
View RepositoryImplemented A*, Weighted A*, and Uniform Cost Search algorithms to optimize pathfinding for autonomous warehouse agents.
View ProjectDeveloped an autonomous robotics application using Python, computer vision, color detection, and motion planning to execute a complete Tic-Tac-Toe game.
View DemoA detailed overview of my education, experience, and technical skills. Available to view online or download as a PDF.
Developed and evaluated multiple genetic algorithms to optimize convergence toward target solutions, reducing generations required from 4,716 to 171.
View ProjectConducted user research and designed an interactive career-search platform prototype informed by usability testing and behavioral analytics.
View ProjectAnalyzed food delivery platform data in Alteryx to evaluate operational performance, customer behavior, restaurant popularity, and revenue generation.
View ProjectConducted customer churn analysis using Tableau, examining retention outcomes for 6,687 customers and transforming complex customer data into executive-friendly dashboards.
View ProjectApplied predictive modeling and statistical analysis techniques to generate actionable business recommendations from stakeholder data.
View PresentationDesigned and assembled a functioning RC vehicle using embedded systems, Arduino programming, and custom mechanical components.
View ProjectBuilt a Java-based virtual library platform supporting catalog browsing, search functionality, and user account management.
View RepositorySupported documentation, interface design, and statistical analysis for a mobile application promoting healthier screen-time habits.
View ProjectImplemented a minimum spanning tree solution in C++ using Kruskal's algorithm and weighted graph representations.
View RepositoryCreated a binary-tree-based tournament simulation that tracks player progression and determines competition outcomes.
View RepositoryBuilt a game-state simulation that models player progression, interactions, scoring, and world traversal mechanics.
View RepositoryDeveloped a text-processing utility that translates user input into Robber Language and generates formatted HTML output.
View RepositorySimulated the SlapJack card game by implementing gameplay rules, state tracking, and combination detection logic.
View RepositoryBuilt a restaurant ordering simulation featuring ingredient selection, pricing calculations, and receipt generation workflows.
View RepositoryOpen to connecting with professionals, recruiters, researchers, and organizations interested in data science, analytics, and technology. Whether you'd like to discuss opportunities, collaborate on a project, or just connect — feel free to reach out.