Roy(Yajia) Yang’s Email & Phone

Roy(Yajia) Yang Contact Details

Location:
San Francisco Bay Area
Work:
Data Scientist @ Factual Inc
Senior Data Scientist @ Uber
Data Scientist II @ Uber
Education:
Bachelor’s Degree, Precision Instruments @ Tsinghua University
About:

I am a professional data scientist with extensive exposure to large-scale structured and unstructured datasets from different domains including but not limited to online retailing, legal documents, media articles and medical devices. Supervised Learning(classification): Deep Learning, Logistic Regression, SVM, Random Forest Unsupervised Learning(clustering): K-mean Natural Language Processing: POS tagging,Noun phrases extraction, tf-idf, LDA Time Series Forecasting: SARIMA, 

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