Yue(Joyce) Yang

Experience

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  倍通数据集团

  Jun 2018 - Sept 2018

  Health care specialized data science Intern

  • Implemented an interface in R using Shiny package to test models for the clients’ defect rates• Performed the standardized Ad-Hoc analysis with HIVE and R-shiny into unified Python codes• Visualized the findings using Python to present the outcome and predictive powers to optimize the model selection• Practiced evaluation for Chinese health markets products and system and independently developed the report for assessing the clients’ (including Johnson & Johnson and Smith & Nephew) markets performance Show less

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  Hospital for Special Surgery

  Jan 2020 - Jun 2020

  Capstone Project Data Analyst

  • Led a team of 5 to analyze and evaluate current care patterns and utilization of services to treat knee osteoarthritis in a commercially insured population • Extracted and merged over 110,000 target patients and hospital clinical reported data from relational databases with SQL and performed data cleaning and exploratory analysis on disparity and quality of surgery with R • Conducted casual inference to investigate the effect of health policy on surgical outcomes and costs by applying statistical and econometric models • Developed on-going reports for HSS clients including visualization of trends and interpretation of results to provide insights for decision making on service delivery Show less

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  ProsperDTX

  Jan 2021 - Mar 2021

  Data Scientist

  ▪ Extracted and transformed Electronic medical records (EMR) data from 500+ relational databases through Python and SQL.▪ Standardized and systematized the longitudinal dataset by creating reproducible and scalable Data Cleaning and Integration Pipelines.▪ Recognized a cost-effective treatment strategy by implementing Casual Machine learning algorithms and employing statistical, mathematical, and predictive modeling, which increased the survival of COVID-19 effected patients.▪ Assisted in creating predictive models for a larger scale clinical intervention, which reduced the cost by 17% as well as conducted qualitative and quantitative data analysis on the cost of HRU.▪ Visualized analyses and insights through Ad-hoc reporting that support clients in developing a value framework for business strategies. Show less

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  NEWARK COMMUNITY HEALTH CENTERS, INC.

  Jun 2021 - Mar 2022

  Data Analyst

  • Utilized focus groups and A/B testing to enhance product experience, reducing drop-offs by 30% and increasing active user sessions by 40% and average session duration by 15%• Implemented customer churn prediction analysis, including feature engineering, data processing, and behavioral analysis of churned vs. active customers. Built Random Forest, Boosting, and SVM models, optimizing performance with 85% accuracy and 84.2% recall, contributing to a projected 20% reduction in churn• Performed SQL queries to build data collection, storage, and processing infrastructure with over 200GB data. Analyzed business problems and converted report data to actionable items, which improved 50K patients’ quality control by 34%•Conducted statistical analysis, built predictive models (e.g., Multinomial Logistic Regression) in Python to predict the likelihood & monthly trend of customers, and leveraged insights & reduced customer wait time by 25% Show less

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  Freddie Mac

  Mar 2022 - now

  Product Data Analyst

  Investment and Capital Market Devision - Product Analyst / Product Management