Machine Learning

eBay Machine Learning Challenge

eBay Machine Learning Challenge

Finished Start: 12/2021 End: 01/2022

Ranked 11th in eBay 3rd Annual University Challenge of Machine Learning on an e-commerce dataset. The problem is to build a model that can accurately predict delivery dates for items sold on eBay.

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CatBoost, XGBoost

Predictive Modeling

A Chinese ChatBot

A Chinese ChatBot

Finished Start: 01/2020 End: 05/2020

An information retrieval based Chinese ChatBot built with NLP algorithms incluing BERT based sentiment analysis and question answering, BiLSTM + CRF structured knowledge graph. Deployed with Flask, Redis.

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NLP

dialogue system

question answering

sentiment analysis

Analysis

CPMCRI - Cancer Avatar

CPMCRI - Cancer Avatar

Ongoing Start: 09/2021 End: Expected 06/2022

As part of the UC Davis students, collaborated with scientists for Cancer Avatar, a Precision Medicine research project. Built algorithms and data pipeline for cancer gene extraction, matching, storage and visualization.

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Data Pipeline

Bioinformatics

Hackathon with Google Cloud

Hackathon with Google Cloud

Finished Start: 03/2022 End: 03/2022

Ranked 2nd Place and Best Use of Google Cloud Prize in UC Davis hackthon, partnering with Google Cloud. Applied casual inference models and data visualization to understand social disparity problem.

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Visualization

Causal Inference

SCRUB Project

SCRUB Project

Finished Start: 03/2020 End: 05/2020

The SCRUB project aims to provide current and future policymakers with actionable insights into public attitudes and behaviours relating to the COVID-19 pandemic. The project involves more than 20,000 international surveys from 40 countries so far. Analyzed and built dashboards, as well as proposed research ideas.

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Data Visualization

Psychological Survey Data Analysis