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Name: Ian Chi

Type: User

Location: Los Angeles

Ian Chi's Projects

python-course_scheduling_optimization

Optimized course scheduling by mixed integer programming (MIP) on Python using Gurobi package to increase classroom seat utilization rate and percentage of students taking courses in prime time

python-web_scrapping_using_htmlparser

Scrapping address of 5k AT&T stores from official AT&T website using HTMLParser in Python

r-creating_time-window_variables_with_sqldf

The applications data was analyzed for the purpose of developing a supervised identity fraud detection model to identify candidates for fraudulent applications. To build this model, the fraud label was assessed in relation to the linkage of five personally identifiable parameters which include SSN, address, phone number, date of birth and zip code. I created these time-window variables using sqldf library in R because it's efficient and easy to understand.

r-fraudulent_click_traffic_detection

Built LDA and QDA models on variables obtained from Principal Component Analysis (PCA) and Kolmogorov-Smirnov (KS) and tuned by leave-one-out cross-validation (LOOCV) to predict fraudulent online advertising click traffic

sql-consumer_behavior_data_analysis

Analyzed grocery shoppers’ paths to identify motivations and interests of customers, and Identified items most frequently bought together for rearranging layout to promote sales

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