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YachenYan1

Yachen Yan

Personal Information
Organization / Workplace
Greater Los Angeles Area United States
Occupation
Senior Data Scientist at ZestFinance
Industry
Finance / Banking / Insurance
About
R Developer & Data Enthusiast GitHub: https://github.com/yanyachen 1. Programming: • R: Package Developer, author and maintainer of CRAN package 'FinCovRegularization' • Python: NumPy, SciPy, Pandas, Statsmodels, Scikit-Learn • SAS: Certified Base & Advanced Programmer, Statistical Business Analyst • Database: SQL, NoSQL(MongoDB) 2. Data Science • Data Manipulation: dplyr, tidyr, reshape2, data.table • Statistical Modeling: Hypothesis Testing (parametric and non-parametric), Power Analysis, ANOVA Single-level regression (stepwise, ridge, lasso, elastic net, PCR, PLS), Multilevel regression Logistic Regression, Time Series Analysis • Machine Learning: Supervised Learning: Naive Bayes, K...
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