branch8 consulting work
TRANSCRIPT
Sandra BlevinsInsight Data Science Fellowship
Week 4
?eBay
Amazon
GoalKeep sellers active and happy!
Build seller profiles, predict retention/churn
Export MongoDB
Clean Python regex, NumPy,
pandas, JSON
Database schema Seller profilesPredictive modeling
Python scikit-learn
Seller profiles
Active Churn ?
7 days
Seller profiles
Active
7 days
Churn ?
Seller profiles
Active
7 days
Churn ?
Seller profiles
Active
7 days
Churn ?
Seller profiles
Active
7 days
Churn ?
Number of sellers
Active sellers in Shanghai, Hong Kong, and Singapore
300+
Number of orders
Active sellers have more orders
300+
Number of orders
Active sellers have more orders
Active!
Active sellers
Inactive sellers
Sellers of electronics with active Malaysian customer base
Deliverable: actionable insights on seller profiles
algorithm: sklearn.ensemble.RandomForestClassifier
accuracy = 92%, AUC = 71%
n-orders is best predictor of activity
n orders n platforms mean price
Organize database Codes and flowsheets
Customer profiles New feature recommendations for modeling
Sandra BlevinsEducation: Physics Ph.D. 2015, The Catholic University of America,
Washington, DC
Dissertation: The Distribution of Volatiles in Protoplanetary Disks
Love: travel, nature, art, yoga