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. 

Excellent writing, reporting, and presentation skills, particularly utilizing data visualization tools such as Tableau.

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