Hongyu (Jillian) Ji Email and Phone Number
Hongyu (Jillian) Ji work email
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Hongyu (Jillian) Ji personal email
Highly self-motivated Data Scientist Intern at VillageCare working on healthcare data and AWS database. Highly skilled in Machine Learning, Text Analysis, and Business Problem Solving. Strong ability to quickly understand complex business and technical ideas, visualize and present data analysis to business users. Fluent in English and Chinese. Actively looking for a full-time Data Scientist/Analyst job• Programming: Python (Numpy, Pandas, Scikit-learn, Textblob), R, SQL, SAS• Cloud & Database: Google Cloud, AWS, MySQL, MapReduce.Email: hj2475@columbia.eduWebsite: https://github.com/hongyuji123/
Imperial Dade
View- Website:
- imperialdade.com
- Employees:
- 726
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Data AnalystImperial Dade Oct 2019 - PresentGreater New York City Area -
Data Scientist InternVillagecare Feb 2019 - Jul 2019Greater New York City Area• Calculated sentiment score for each member and ranked the top 10 most unhappy members • Found out common keywords for disenrolled members and enrolled members using member enrollment census data and demographic information -
Clinical Data Analytics InternAstrazeneca Jun 2018 - Aug 2018San Francisco Bay AreaClassified if the patients are responders or non-responders by utilizing K-nearest-neighbor (78.6%), Random Forest (82.3%), Simple Neural Network (92%) and Support Vector Machine (79.3%)Used dplyr to make summary statistic table of drug concentration according to different treatment level.Used ggplot2 to determine if MEDI6012 has drug effect on heart rate, if there's no time delay between drug concentration and baseline-corrected QTc interval and whether QTc interval is independent of HR.Implement Linear mixed model to develop the relationship between drug concentration and baseline-corrected QTc interval -
Marketing ResearcherBull Hills Capital Mar 2018 - Apr 2018Greater New York City AreaConducted comparison analysis for a vegan recipe generator startup company and an emotion sensor startup company.
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Risk Management InternVolkswagen Finance (China) Co., Ltd May 2017 - Aug 2017Beijing City, ChinaMerged manager table and customer table and organized the new table by state in MySQLUsed ggplot2 to determine the trend of the total number of default customers in different states for the past 10 years in RUtilized Random Forest to forecast the total default amount in each state with accuracy rate 82.1% and determine which variable has the most predictive influence in RImplemented Decision Tree to predict whether new customers will default or not with accuracy rate 84.36% in R
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Teaching AssistantIndiana University Bloomington Jan 2017 - May 2017Bloomington, Indiana Area -
GraderIndiana University Bloomington Jan 2016 - May 2016Bloomington, Indiana Area• Graded assignments for Introduction to College Mathematics Course.• Answered daily emails from students about course content, assignment and exam grades. -
Analytics InternChina Securities Co., Ltd. Jun 2015 - Aug 2015Beijing City, ChinaApplied linear regression in scikit-learn to predict daily number of people open new account.
Hongyu (Jillian) Ji Skills
Hongyu (Jillian) Ji Education Details
Frequently Asked Questions about Hongyu (Jillian) Ji
What company does Hongyu (Jillian) Ji work for?
Hongyu (Jillian) Ji works for Imperial Dade
What is Hongyu (Jillian) Ji's role at the current company?
Hongyu (Jillian) Ji's current role is Data Analyst at Imperial Dade.
What is Hongyu (Jillian) Ji's email address?
Hongyu (Jillian) Ji's email address is hj****@****ade.com
What schools did Hongyu (Jillian) Ji attend?
Hongyu (Jillian) Ji attended Columbia University In The City Of New York, Indiana University Bloomington.
What skills is Hongyu (Jillian) Ji known for?
Hongyu (Jillian) Ji has skills like R, Microsoft Office, Spss, Sas, Python, Data Analysis.
Who are Hongyu (Jillian) Ji's colleagues?
Hongyu (Jillian) Ji's colleagues are Tammy Jackson, Gerardo Chavez Jr, Brenda Belcher, Michel Boivin, Mathew Salas, Katherine Padilla, Chad Schoenfelder.
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