Yixuan Cheng
Seeking New-Grads Level DS position; Master student in Information Science
- Role
- Data Scientist Intern at Ally
- Location
- Chapel Hill, NC, US
- LinkedIn followers
- 500 followers
About Yixuan Cheng
Data enthusiast seeking for Data Science and Data analyst position. Expecting to graduate in May 2023. Experience with ETL to data insights, dashboard building and case reporting.Programming: Python (Pandas, NumPy), SQL, R (dplyr, tidyr, ggplot2), Excel (VBA, Pivot Table, Vlookup)Techniques & Tools: Data Visualization (Tableau, Power BI, Matplotlib), A/B Testing, NLP (BERT, Word2Vec)Machine Learning (TensorFlow, Scikit-learn, Keras), Big Data (AWS, Hadoop, Spark)
Experience
Data Scientist Intern
Aug 2022 — Present
Developed a sentiment analysis model with 94% accuracy using a deep learning BERT model and fine-tuned it with Hugging Face transformers by Python, automatically classified customer emails sentiment to positive and negative• Applied BERTopic algorithm to build a topic detection model and demonstrated its integration into a chatbot, which extracted topical information from customer messages to facilitate automatic reply
Education
Northeast Normal University
Bachelor's degree, Logistics, Materials, and Supply Chain Management
Rutgers Business School
Bachelor of Science, Supply chain management and Marketing Science
The University of North Carolina at Chapel Hill
Master of Science, Information Science
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