Experience

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  Southern logistics group

  Jun 2016 - Aug 2016

  Operation analyst

  Forecasted sales data for client’s 43 products using R by time series model, helped the client reduce 34% of inventory Updated daily turnover and product data of more than 3000 types of products, and redesigned database to reduce redundancies with MySQL, saving 30% server storageNegotiated with 20 potential buyers in a trade show and facilitated four orders bringing in about $150,000

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  South china normal university

  Jul 2017 - Oct 2017

  Co-op

  Communicated with hospital weekly to track clients’ demand for the modelClassified patients’ type with decision tree model with 79% accuracy using Python scikit-learn packagePredicted when patients would enter ICU with Random Forest Model achieving residue less than 30 minutes

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  Iimedia research consulting ltd.

  Feb 2018 - Apr 2018

  Data analyst

  Developed a web scraping program to extract information related to mobile games and social media video app industries using Python’s Beautiful Soup package, collecting more than 10 giga bytes of dataIdentified target market segments of social media video app by factor analysis and K-Means clustering using RCreated data visualization for dashboard of KPI reports using Tableau

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  Ubc sauder school of business

  May 2019 - Dec 2019

  Developed automated Newsvendor Model that performs Monte Carlo Simulation to discover impact on estimated profit using Python through object-oriented programming, saving 70% of testing timePerformed A/B testing for different algorithms and selected significantly better algorithmImplemented new algorithm to estimate optimal order quantity given sample data, reducing over 50% in residue

  • Research Assistant

    Sept 2019 - Dec 2019

  • Data Analyst - Center for Operations Excellence

    May 2019 - Aug 2019
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  Vancouver general hospital

  Nov 2019 - Mar 2020

  Freelancer - data science

  Problems:To improve flexibility and efficiency of medical residency schedules for physicians and residents by developing a binary integer programming model from the needs of hospital and residents using PuLP packages of PythonResponsibilities:Compared different optimization algorithms to identify the optimal approach to solve the problemDesigned and built a tracking module to record the five years experience of every resident to make sure all residents have similar training experienceImplemented additional constraints in the model allowing changes of schedule in the future and minimizing influences of the change Show less

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  广发银行股份有限公司信用卡中心

  May 2020 - now

  Risk strategy analyst