LEAD RESEARCH ASSISSTANT @ INSTITUTE OF ECONOMICS OF EDUCATION,PEKING UNIVERSITY
DATA CLEANSING & DATA MINING - I cleaned and managed over 2,800,000 student card sequential log data with SQL and Python, explored students dining patterns in accordance to departments, gender and other social-economic parameters.
SOCIAL NETWORK EXPLORATION MORDEL - I built up student social network model based on ultimate permutation and comparing montly stability.
MODEL EFFICACY - I Predicted friendships among 12,948 undergraduates from 27 departments and identified 29,627 pairs of possible friendships with the raw accuracy of 84.79% (based on snow-ball evaluation).