yitian chen

Beijing Suburb, China China

Senior research engineer at JD.COM

Technology / Software / Internet

Specialized in data analysis, Statistical(Machine)l learning and modeling: * Statistical inference and Hypothesis analysis. * Exploratory analysis and Data pre-Processing. * Feature Selection and Feature extraction. * Generalized linear Model(Poisson, Logistic and Regularized Linear Model) * Tree-Based Model(Classification and regression Tree, randomForest, Gradient Boosting Machine) * Neural Network and Deep-Learning. Specialized in the Interdisciplinary between compute science and Economics * Auction Theory and its application in Internet (Mechanism design, mechanism analysis). * Dynamic Pricing and its application in Internet(Pricing Modeling). * Gam...