Xi Du
Bellevue,WA
Summary
Organized, detail-focused, and quick-to-learn social science PhD graduate with 6-year experience in needs assessment, research design, data processing and analysis. Reliable team player with strong cooperative and problem-solving skills. Dedicated and hard-working with passion for exploring data and informing decision making process.
Overview
6
6
years of professional experience
1
1
Certification
Work History
PhD Student Researcher
Louisiana State University
08.2016 - 12.2022
- Designed and developed data pipelines to acquire, clean and process data using SPSS and SQL.
- Analyzed 4 longitudinal datasets and created statistical models with R to identify complex relationships between human developmental problems and their ecosystems.
- Visualized research findings through data tables and graphs, and generated 3 first-authored and 6 co-authored articles published in peer-reviewed journals in past 5 years.
- Developed 2 evidence-based intervention research programs with experimental design, which significantly improved experimental group's expected behavior outcomes by 18 basis points.
- Conducted grants writing and successfully secured money for 7 projects, including 2 projects funded by U.S. Department of Health and Human Services (HHS) with $5.67 million awarded.
- Presented research findings and actionable insights to stakeholders more than 10 times.
Education
Ph.D. - Social Work
Louisiana State University And A&M College
Baton Rouge, LA12.2022
Master of Arts - Sociology
China Youth University of Political Studies
Beijing, China05.2014
Bachelor of Science - Psychology
Henan University
Henan, China05.2011
Skills
- Programming: SQL, Python, R, SPSS, Matplotlib, Tableau
- Research: Experimental Design, A/B Testing, Longitudinal Study
- Modeling: Linear & Logistic Regressions, Structural Equation Modeling, Latent Growth Modeling
- Soft Skills: Collaboration, Problem-solving, Communication, Attention to Detail
Projects
UI Change Implementation for Product Recommendation using AB Testing
- Designed and implemented A/B testing experiments for the Shopify e-commerce platform website to verify the strategy effectiveness on user preferences, improved product usage rate by 12 basis points.
- Applied fine-tuned Logistic Regression model to determine the probability of launching the change and delivered customer insights by result interpretation resulting in 8% increase in operational efficiency.
Business Data Analysis Based on YELP Dataset
- Prepared 1.32 million users of yelping reviews, platform check-in, and businesses projection data from 6 independent sources into MySQL.
- Performed sentiment analysis using Python over 5.26 million reviews by feature vectorization and text mining to adjust business staring, resulting in a 17% lift in staring precision.
- Developed root cause reports decomposed of 3 dimensions to address problems with elite user retention, successfully revealing insights that boosted retention by 12%.
Certification
Google Data Analytics Professional Certificate
Timeline
PhD Student Researcher
Louisiana State University
08.2016 - 12.2022
Ph.D. - Social Work
Louisiana State University And A&M College
Master of Arts - Sociology
China Youth University of Political Studies
Bachelor of Science - Psychology
Henan University