Ziniu Yu Email & Phone Number

Berkeley, California, United States

Equities

Charlotte, North Carolina, United States

• Trained several Uplift Models with the Credit Card experiment data on Google Cloud, saw a 1.8x lift of performance with the S-learner compared to the randomly selecting method.
• Created DAGs containing ETL, feature selection, model training, model validation and scoring on Airflow, made the workflows reusable.
• Queried the ongoing Personal Loan experiment data from Big Query, found that there was no signal in the data based on the z-test and the Qini curve, communicated with managers, and helped the PL marketing team improve.

Wuhan, Hubei, China

• Expanded more than 10,000 music entities in the tag library using Hive SQL and Web Crawler, increased the number of tags per capita by 4.7, and provided more options for recommendation.
• Built a Word2vec NLP model to find similar finance entities, expanded 5,000 finance entities to the tag library, and enhanced the recall of the tagging by 1.7%.
• Separated data mining logic for books and movies in Scala, and improved the accuracy of tagging to 0.87.

Wuhan, Hubei, China

• Estimated the total factor productivity (TFP) leveraging Cobb–Douglas production function. Helped researchers understand the impact of technological innovation on Wuhan’s economy from a quantitative perspective.
• Applied the Time Series Regression to predict the potential economic growth of Wuhan, and contributed to a theoretical paper about the influence of technology development on the economy.

Master'S Degree, Data Science, 3.975/4.00

CS 271P Intro to Artificial Intelligence A+ CS 273P Machine Learning and Data Mining A+ CS 274P Neural Networks & Deep Learning A CS 260P.

Bachelor Of Science - Bs, Applied Mathematics, 3.62/4.00