Zhimin Chen Email & Phone Number

Philadelphia, Pa, Us

Philadelphia, Pa, Us

Philadelphia, Pennsylvania, United States

Lab Instructors (Teaching Assistants) for MSSP 6300: Quantitative Reasoning

Nanjing, Jiangsu, China

• Set the metrics such as drivers’ estimated arrival time and services duration ratio to analyze the challenges of the project.• Increased drivers’ efficiency by 25% through strategic adjustments based on the design and implementation of A/B testing.• Enhanced ML models by identifying significant features that contributed to drivers’ efficiency, increasing order acceptance by 30%.• Utilized funnel analysis to trace the conversion path of the customers and analyze the flow of viewers at each step on the App.• Build the 5+ Tableau dashboard to track the performances of drivers and revenues for different activities.

• Investigated the underlying statistical principles of statistical models to mitigate errors and foster a rigorous laboratory and machine learning environment for chemistry and material.• Built machine learning models (Random Forest, XGboost, Logistic Regression, PCA, etc.) to predict the property of the molecule. Improve the accuracy by 20% via feature engineering and hyperparameter tuning.• Balanced the trade-off among metrics to enhance the ML model's reliability and select metrics for evaluating models based on context.• Performed exploratory data analysis to find the relationship among features and reduced overfitting by 15% by introducing the penalty term.

Gainesville, Florida, United States

Nanjing, Jiangsu, China

Hong Kong Sar

• Tailored 20+ personalized insurance plans based on individual customers' family backgrounds and requirements.• Led detailed analysis of customer insurance plans, uncovering gaps and inefficiencies.• Incorporated PowerPoints and Excel to create insightful visualizations of insurance plans for effective communication with supervisors.

Master'S Degree, Statistics,Measurement, Assesment, And Research Technology

Bachelor Of Arts - Ba, Statistics