Yufei Ren

4th year stduent currently pursuing a undergraduate in University of Toronto, specializing in statistical machine learning and data mining. Over 8 months coop experience in telecomminication industry, proficiency in SQL, database design, data visualization tools, python script & machine learning models.

• In-depth knowledge of interpret various data structures and unsupervised learning algorithms including decision tree, random forest, GMM and KNN, practiced under academic context.

• Proficient in using Python, R, SQL, and PHP-Laravel, including libraries such as Pandas NumPy, Scikit-Learn, LightGBM, Matplotlib, Dplyr, Ggplot2, BS4 and Selenium.

• Data Analysis and technology coop in China Telecom and Rogers Communications.

• Experience in selecting and tuning machine learning models including time series and polynomial regressor with real projects in the telecommunication industry.

• Experience in web crawling, python script and front end coding using both python and PHP.

• Solid common of statistical modelling, including Statistical inference, Bayesian analysis, Time Series Forecasting, Hypothesis Testing, Logistic Regression and Survival Analysis. 

University of Toronto – (coop) specialist in statistical machine learning and data mining.